See all the celebrities who've expanded their families this year, starting with this couple… Alisan Porter, the former child actress who starred in "Curly Sue" and won season 10 of "The Voice," Welcomed her third child — and first with love Justin de Vera — on Oct. 20. "Our beautiful daughter Shilo Bee was born 10/20/21 on the full moon. She is a slice of heaven and we are very in love. @shilo.bee," Alisan captioned this first family photo in the hospital. Shilo joins big brother Maison Blaise, 9, and big sister Aria Sage, 7 — Alisan's children with ex-husband Brian Autenrieth.

Keep reading for more stars who've expanded their families this year…

RELATED: Celebs who are expecting babies

Surprise! On Oct. 24, "The Real World" star-turned-actress Jamie Chung and husband Bryan Greenberg revealed that they secretly welcomed twins! The "How to Make It in America" actor announced the exciting news on Instagram, captioning a video of himself cradling their babies on his chest, "We got double the trouble now @jamiejchung." The "Lovecraft Country" and "Big Hero Six" actress also shared the video on her Instagram Story. The couple had not previously revealed they were expecting.

RELATED: The best photos of celebs and their cute kids in 2021

On Oct. 16, country music star and season 30 "Dancing With the Stars" contestant Jimmie Allen and wife Alexis welcomed their second child together, a daughter they named Zara James, in Nashville, his rep told People magazine. She joins big sister Naomi Bettie, who was born in 2020, and half-brother Aadyn, 7, Jimmie's son from a previous relationship.

RELATED: Celebrity kids then and now: See how they've grown

Lance Bass and husband Michael Turchin are parents at last! On Oct. 15, the former *NSYNC singer took to Instagram to announce the Oct. 13 birth of their twins via surrogate in Tacoma, Washington. "The baby dragons have arrived!! I can not express how much love I feel right now. Thank you for all the kind wishes. It meant a lot," he captioned a slideshow featuring photos of their kids' hospital birth announcements, jokingly adding, "Now, how do you change a diaper??! Ahhhhhhhh!" Lance and Michael, who've been married since 2014, named their daughter Violet Betty and their son Alexander James.

Usher and girlfriend Jenn Goicoechea, a music executive, welcomed their second child together, son Sire Castrello Raymond, on Sept. 29, the singer announced on Instagram a few weeks later on Oct. 13. "Hi my name is Sire Castrello Raymond … I am the newest addition to the Raymond crew. I was born Sept 29 2021 at 6:42pm weighing 7lbs 13oz. Hear me roar … A.K.A Ra Ra . Gang #demraymondboys," Usher captioned a photo of his newborn. Usher and Jenn welcomed their first child, daughter Sovereign Bo, in September 2020. Usher is also a dad to sons Usher Raymond V (aka Cinco, who was born in 2007) and Naviyd Ely (who was born in 2008) with ex-wife Tameka Foster.

"The Hills: New Beginnings" star Kaitlynn Carter and boyfriend Kristopher Brock welcomed their first child together, son Rowan Carter Brock, on Sept. 30, the new mom revealed on Instagram on Oct. 6 alongside a photo of herself breastfeeding her newborn.

South Korean actor Park Hae-soo — who stars on the Netflix sensation "Squid Game" — and his wife of two years recently welcomed their first child, his reps from BH Entertainment confirmed on Sept. 29, sharing in a statement to AllKPop, "It's true that Park Hae Soo's wife recently gave birth to their first son, and Park Hae Soo is now a father."

"Today" show meteorologist Dylan Dreyer gave birth to her third child and third boy, Russell "Rusty" Fichera, on Sept. 29 — six weeks early. The following day, she called into her show from New York-Presbyterian Hospital in New York City to share the good news that her preterm baby, whose dad is her husband, NBC News cameraman Brian Fichera, was improving. "He's in such good hands up in the NICU, which actually takes a lot of pressure off of me," Dylan said. "He's doing wonderful, he's gaining weight [after arriving at 5 pounds, 5 ounces], he's breathing on his own, and he's doing awesome." On Oct. 7, Dylan shared great news: Rusty — who joins big brothers Oliver, 1 and Calvin, 4 — was healthy enough to come home.

On Sept. 28, former President George W. Bush and former first lady Laura Bush announced that one day earlier, daughter Barbara Pierce Bush and her husband of nearly three years, Craig Coyne, had welcomed their first child — a daughter they named Cora Georgia. Barbara gave birth in Maine. The next day, Barbara's twin sister, "Today" show host Jenna Bush Hager, posted photos of herself meeting her niece on Instagram.

On Sept. 27, Ronda Rousey took to Instagram to confirm that she and husband Travis Browne had welcomed their first child together, a daughter they named La'akea Makalapuaokalanipō Browne. The mixed martial artists married in Travis's native Hawaii in 2017. This is Ronda's first child; Travis is also a dad to two kids, Kaleo and Keawe, from a previous marriage.

"Riverdale" star KJ Apa and his girlfriend, French model Clara Berry, are first-time parents: Clara announced the happy news on Instagram on Sept. 26 alongside a photo of their newborn holding her finger. "Sasha Vai Keneti Apa, born on the 23rd of September. He is a perfect perfection. I am the luckiest to have now two men of my life, filling my heart with this cosmic gigantic vast love," she captioned the sweet snapshot.

Model Georgia Fowler and restaurateur boyfriend Nathan Dalah welcomed their first child, daughter Dylan Aman, on Sept. 17. "Welcome to the world We love you so much," Georgia captioned a photo introducing followers to her newborn on Instagram.

"Catfish" host Nev Schulman's wife, Laura Perlongo, has given birth to their third child, a son, they revealed on Sept. 25. "Happy birthday little man," the "Dancing With the Stars" alum captioned a sweet video of himself staring into his newborn's eyes, while Laura captioned a pic of herself about to hold her son for the first time, "nothin like it." The little guy joins siblings Beau Bobby Bruce, 2, and Cleo James, 4.

"Succession" star Kieran Culkin and wife Jazz Charton welcomed their second child, a son, on Aug. 17, the new mom announced a month later. The couple are also parents to daughter Kinsey Sioux, who was born in 2019.

Britain's Princess Beatrice and her husband, property developer Edoardo Mapelli Mozzi, welcomed their first child on Sept. 18. "So delighted to share the news of the safe arrival of our daughter on Saturday 18th September 2021, at 23.42, at the Chelsea and Westminster Hospital, London," she tweeted. "Thank you to the Midwife team and everyone at the hospital for their wonderful care." Beatrice's daughter is Queen Elizabeth II's 12th great-grandchild. The baby joins half-brother Christopher Woolf, Edo's son from a previous relationship.

Kirsten Dunst and Jesse Plemons are parents again! The couple quietly welcomed their second child — and second son — earlier in 2021, the actress confirmed in an interview with The New York Times that hit the internet on Sept. 10. They named him James Robert. "This is the newest guy, the Big Kahuna," Kirsten, 39, quipped. "He's an angel, but he's a hungry angel. And a heavy angel." James weighed in at 18 pounds at 4 months old, according to the Times. Kirsten and the "Jungle Cruise" star are also parents to son Ennis, 3.

Jennifer Love Hewitt and husband Brian Hallisay are parents again. On Sept. 9, the actress posted a photo of her pregnant belly with a smiley face on it and explained in the caption, "Well this is how my kids sent me to the hospital. My belly was a big hit. 'It is said that women leave their bodies in labor… they travel to the stars to collect the souls of their babies, and return to this world together.' It was my greatest honor to go and collect you Aidan James. Now back to snuggles and resting." Aidan joins big sister Autumn James, who was born in 2013, and big brother Atticus James, who was born in 2015.

Ludacris and wife Eudoxie welcomed their second child together, daughter Chance Oyali Bridges, on July 28 — but he almost missed her birth, the rapper-actor explained on the Oct. 13 episode of "The Ellen DeGeneres Show." He was shooting a movie in Albuquerque, New Mexico, when Eudoxie — who was home in Atlanta — called him with the news that she was having contractions. All the commercial flights were sold out, "So humbly speaking, I have my own plane, but it's in Atlanta. So I had to call my pilot and say, 'You need to leave Atlanta and come straight to New Mexico, right now, as soon as you can. Get another pilot because everything is sold out,'" Luda told Ellen. "So he literally comes and gets me, I fly to Atlanta, I get there like an hour before her water breaks and I'm there for the whole delivery." The couple are also parents to daughter Cadence, 6. The "Fast & Furious" franchise star is also a dad to daughters Cai, 7, and Karma, 20, from previous relationships.

Swimwear designer and former Victoria's Secret model Devon Windsor and husband Johnny Barbara are first-time parents, she confirmed on Sept. 12. "Enzo Elodie Barbara! Johnny and I are so in love with our little angel girl! She joined us on September 8, at 4:58 pm. Weighing 6 lbs and 13 oz! Best day of my life! Thank you so much for the well wishes!" Devon captioned a first photo of her baby girl on Instagram.

Country music star RaeLynn gave birth to her first child with husband Josh Davis on Sept. 8, a daughter they named Daisy Rae. "7 Pounds 7 ounces at 4:07pm September 8th 2021 we became a family of three!" the singer captioned a series of family photos on Instagram. "These two are my world. I am beyond thankful for my husband and all the doctors, nurses and our amazing doula @mollyburg17 for helping us bring miss Daisy into the world babies are truly a gift. So thankful for our little blonde miracle now back to tired selfies, baby snuggles and changing diapers! Love y'all!"

Alicia Vikander is a new mom. In an interview with People magazine that hit the internet on Sept. 8, the very private Oscar-winning Swedish actress — who's been spotted carrying a baby and pushing a stroller around Europe for months — finally publicly confirmed that she and husband Michael Fassbender, the two-time Academy Award nominee she married in 2017, welcomed their first child together earlier this year. "I now have a whole new understanding of life in general," she said of motherhood. "That's pretty beautiful, and obviously will give a lot to any of my work in the future."

Cardi B is now a mother of two. On Sept. 4, the rapper welcomed her second child — a boy — with husband Offset, she announced two days later on Instagram. "We are so overjoyed to finally meet our son," the music stars told People magazine in a statement. "He is already loved so much by family and friends and we can't wait to introduce him to his other siblings." The couple's daughter, Kulture, is 3. The Migos rapper is also a dad to three other kids — daughter Kalea, 6, and sons Kody, 6, and Jordan, 11 — from previous relationships.

On Sept. 5, Danielle Fishel announced that she and husband Jensen Karp are parents again after welcoming their second son. "On 8/29/2021 we welcomed Keaton Joseph Karp to the world. He was born on his deceased grandfather Larry's birthday (like I prayed for!) and his middle name is an homage to his great grandfather who is still here to meet him at almost 98 years old," the "Boy Meets World" alum captioned an Instagram photo slideshow also featuring firstborn son Adler, 2. "Adler is a super(hero) big brother and @jensenkarp and I are thrilled to have him home, healthy and safe, with us. Also, Adler thinks my postpartum care tools are a lot more fun than I do," she added, referring to a pic of her older son using her squirt bottle to empty water into a toilet.

Elle King and fiancé Dan Tooker's son is here! "Very proud to announce the birth of our son, Lucky Levi Tooker. On Wednesday, September 1st at 12:06 pm, we welcomed 8 lbs 1 oz of absolute joy and love earthside. We are all healthy and feeling so blessed! Welcome to the world Lucky!" the "Ex's & Oh's" singer captioned a family photo on Instagram on Sept. 5.

"Teen Mom OG" stars Catelynn Lowell and Tyler Baltierra welcomed another daughter — whose name they later revealed is Rya Rose — on Aug. 28. The couple are also parents to Novalee, 6, and Vaeda, 2. They placed their first daughter for adoption when they were teens, which was chronicled on MTV.

Surprise! Emily VanCamp and Josh Bowman — who met on the set of their show "Revenge" in 2011 and married in 2018 — have quietly welcomed their first child together, a daughter, the actress announced on Instagram on Aug. 26. "Welcome to the world our sweet little Iris Our hearts are full," Emily, who did not publicly share news of her pregnancy, captioned an Instagram slideshow that includes pics of her baby bump.

Little Mix singer Leigh-Anne Pinnock took to Instagram on Aug. 23 to reveal that she and her fiancé, soccer star Andre Gray, welcomed twins on Aug. 16. "We asked for a miracle, we were given two… Our Cubbies are here 16/08/21," she captioned a photo of their newborns' feet. The news came just one day after another Little Mix member revealed she too had given birth…

Little Mix singer Perrie Edwards and her boyfriend, Liverpool soccer star Alex Oxlade-Chamberlain, had their first child together on Aug. 21, they announced on Instagram the next day. "Welcome to the world baby 21/08/21," the pop star captioned a slideshow of photos of their newborn. She later revealed their son's name: Axel Oxlade-Chamberlain.

On Aug. 22, "Brooklyn Nine-Nine" star Stephanie Beatriz revealed that she and husband Brad Hoss became parents, welcoming daughter Rosaline ("pronounced Roz-uh-line," the "In the Heights" actress explained on Instagram).

Scarlett Johansson and husband Colin Jost recently welcomed a son together, the actress's rep told People magazine on Aug. 18. The Marvel star and Tony Award winner and the "Saturday Night Live" comedian and writer named their baby boy Cosmo, Colin shared on Instagram the same day. He joins half-sister Rose Dauriac, 6, Scarlett's daughter from a previous marriage. 

On Aug. 18, "Outlander" star Caitriona Balfe confirmed that she and husband Tony McGill are now parents. She had not previously revealed that she was pregnant. "I've been off socials for a while as I was taking some time to enjoy cooking up this little human …. We are so grateful for this little soul ….that he chose us as his parents," she began a lengthy message to fans that she shared alongside a photo of her newborn son's hand clutching her finger. "I'm in awe of him already and can't help stare and wonder at all the possibilities of who he will become, where he will go and what he'll do on the big adventure of his life." She continued, "Right now he seems so small and fragile and I constantly think how grateful I am that I live in a place, in a time where he is born into peace and safety and yet at the same time I see so many in the world right now that aren't afforded that same privilege and opportunity … who are born into famine or war and how unjust it is that the same safety isn't there for all children. Here in the west we have so much, we are so lucky and so if you'd like to join me in supporting any of the wonderful charities that need help trying to give those that are forgotten dignity and hope, we can give the gift of peace and safety and opportunity to a few more children … @wchildcancer @chooselove @unicef @refugees."

"The Flash" star Grant Gustin and wife LA Thoma have welcomed their first child together, a daughter, the new mom announced on Instagram on Aug. 17. "Juniper Grace Louise is here and mama and papa are absolutely obsessed. We will be very busy kissing and sniffing every inch of her until she is old enough to tell us it's weird," LA captioned a photo of their newborn's feet on Instagram.

"Run the World" star Amber Stevens West and actor husband Andrew J. West have welcomed their second child and second daughter, she announced on Instagram on Aug. 16. "Introducing Winona Marie West!" Amber wrote alongside a photo of their adorable newborn.

On July 26, "Harry Potter" franchise actress Afshan Azad, who played Padma Patil, announced on Instagram that she and husband Nabil Kazi had welcomed their first child, daughter Kazi, the previous week.

Former "Southern Charm" star Ashley Jacobs and new husband Mike Appel are now parents, she announced on Instagram on Aug. 17. They welcomed their first child together, son Grayson Maxwell, at Santa Barbara Cottage Hospital in California, Ashley revealed in a photo slideshow post featuring herself, her newborn and her husband in the hospital.

"Queer Eye" star Tan France and husband Rob France, a pediatric nurse and illustrator, have welcomed their first child together. "Give our son a warm welcome. Ismail France, born July 10th. He came 7 weeks early, so he's been in the NICU for the past 3 weeks. But, today, we finally got to bring him home. We love him so, so much. Like, fully obsessed," Tan wrote on Instagram alongside a photo of his family of three. "Our Surrogate is doing so great, post labor, and we couldn't be more grateful for the greatest gift in our lives."

Country music singer Brett Young and wife Taylor welcomed their second child in Nashville on July 21. They named her Rowan Marie. "I thought my heart was maxed out. I usually don't like to be wrong…… I was wrong. And I can't wait to thank you properly for the opportunity to be your daddy. I already love you so much and I can't wait to watch you and your sister become best friends," Brett captioned a photo of the newborn on Instagram. Rowan joins big sister Presley Elizabeth, who was born in 2019.

Lauryn "Pumpkin" Shannon and husband Joshua Efird are now parents of two. On July 21, the "Mama June: From Not To Hot" reality star announced that son Bentley James had arrived, sharing photos of her newborn on Instagram. Baby Bentley joins big sister Ella Grace, who was born in 2017.

Olympic gold medal-winning gymnast Shawn Johnson and husband Andrew East welcomed their second child on July 19. Son Jett James joins big sister Drew Hazel, who was born in 2019. Shawn later took to Instagram to explain that the newborn's moniker is a combination of "(My great great great grandmothers name) + (Andrews brothers name)."

On July 19, "Broad City" alum Ilana Glazer revealed on Instagram that she'd given birth to her first child with husband David Rooklin. "been breastfeedin in compression socks for the past 3 weeks, hbu?" she captioned a photo of herself doing exactly that.

"Counting On" alum Jessa Duggar and husband Ben Seewald welcomed their fourth child and second daughter on July 18. Fern Elliana joins siblings Spurgeon, 5, Henry, 4, and Ivy, 2.

Music star Halsey and boyfriend Alev Aydin welcomed their first child on July 14, the new mom announced days later on Instagram with a family photo and a breastfeeding pic. "Gratitude. For the most 'rare' and euphoric birth. Powered by love. Ender Ridley Aydin," Halsey captioned the slideshow.

"Glee" alum Matthew Morrison and wife Renee are parents again! The couple welcomed daughter Phoenix Monroe on June 28, People magazine revealed on July 12. "We Rise! Our family is now complete," the couple told the magazine. Phoenix joins big brother Revel, 3.

The "Masked Singer" host Nick Cannon welcomed his seventh child — and fourth in a six-month span — with Instagram model Alyssa Scott on June 23, she announced on Instagram with a since-deleted photo of herself holding son Zen S. Cannon. Less than two weeks earlier, Nick welcomed twin sons with DJ Abby De La Rosa (more on them in a moment). Nick and beauty queen Brittany Bell welcomed daughter Powerful Queen in December 2020 and son Golden "Sagon" in 2017. He also has twins Moroccan and Monroe, who were born in 2011, with ex-wife Mariah Carey.

Music star J Balvin and model Valentina Ferrer welcomed their first child together in late June, the Argentinian model revealed on Instagram. "4 days of the best Love," she captioned a photo of her hand holding her newborn's foot. On June 27, the Colombian hitmaker tweeted "Querido Rio," which means "My dear Rio," leading some fans to believe they named their baby Rio.

On July 1, Bob Guiney, who starred on the fourth season of "The Bachelor," took to Instagram to share the happy news that he'd welcomed his second child with wife Jessica Canyon. Baby boy Blake Barrett joins big brother Grayson Robert, who was born in 2018.

On July 1, actress Amber Heard revealed she's a new mom: She welcomed daughter Oonagh Paige on April 8. Page Six reported that, according to friends, Amber turned to surrogacy after learning she wouldn't be able to carry a baby herself. The "Aquaman" star, whose mother, Paige, died in 2020, posted a photo of herself cradling her infant daughter on Instagram and explained in the caption, "Four years ago, I decided I wanted to have a child. I wanted to do it on my own terms. I now appreciate how radical it is for us as women to think about one of the most fundamental parts of our destinies in this way. I hope we arrive at a point in which it's normalized to not want a ring in order to have a crib. A part of me wants to uphold that my private life is none of anyone's business. I also get that the nature of my job compels me to take control of this. My daughter was born on April 8, 2021. Her name is Oonagh Paige Heard. She's the beginning of the rest of my life."

Gal Gadot is a "Wonder Woman" on screen and off. On June 29, the actress took to Instagram to announce that she and husband Yaron Varsano had welcomed their third child — and third daughter. "My sweet family 🖐🏼I couldn't be more grateful and happy (and tired 🤪) we are all so excited to welcome Daniella into our family," Gal captioned a family photo debuting her newborn alongside big sisters Maya, 4, and Alma, 9. "I'm sending all of you love and health. GG ♥️🖐🏼🖐🏼🖐🏼🖐🏼🖐🏼."

Ewan McGregor and Mary Elizabeth Winstead welcomed a baby boy together, two of the actor's four daughters from his first marriage announced on Instagram on June 27 alongside photos of themselves holding the newborn. "Welcome to the world little brother ❤️ congratulations to my Dad & Mary – this is the greatest gift," Clara, 25, wrote alongside her photo post. Added Esther, 19, who revealed her brother's name alongside the pic she shared, "Welcome to the family little Laurie 🥰." Laurie is the first child for Mary, who didn't publicly reveal her pregnancy, and Ewan's fifth: In addition to Clara and Esther he also shares daughters Jamyan, 20, and Anouk, 10, with ex Eve Mavrakis.

Erica Mena and Safaree Samuels welcomed their second child, a son, in the midst of a divorce, he shared on Instagram on June 28. The "Love & Hip Hop: New York" stars, who split in May, are also parents to daughter Safire, who was born in early 2020.

On June 25, Ne-Yo and wife Crystal Renay Smith announced the birth of their third child together: daughter Isabella Rose Smith. "God said don't make plans honey! She came 4 weeks early but right on time for mommy! Born at 11:11 am (lucky lil lady) 5 lbs 7 oz of perfection 🥺🥰 My world is finally complete 🙌🏽," Crystal captioned a photo taken in the hospital. Isabella joins siblings Shaffer Chimere Smith Jr., 5, and Roman Alexander-Raj, 3, plus Madilyn, 10, and Mason, 9, from Ne-Yo's relationship with ex Monyetta Shaw.

"Bringing Up Bates" star Tori Bates Smith and husband Bobby Smith welcomed their third child, daughter Charlotte Raine, on June 24, they announced on Instagram with a sweet slideshow. The couple are also parents to sons Kolter Gray, who was born in 2020, and Robert Ellis IV (who goes by Kade), who arrived in 2018.

"The Hills: New Beginnings" star Jason Wahler and wife Ashley welcomed their second child together on June 16, he confirmed to People magazine. Son Wyatt Ragle joins big sister Delilah Ray, who was born in 2017.

"Bringing Up Bates" star Whitney Bates and husband Zach welcomed their fourth child, son Jadon Carl, on June 7 and on June 16 took him home after a nine-day stay in the NICU at East Tennessee Children's Hospital. The couple are also parents to kids Khloé Eileen, Kaci Lynn and Bradley Gilvin.

Nick Cannon is a father of twins — again. DJ Abby De La Rosa took to Instagram to announce that her twin boys with the TV host, music star and Nickelodeon alum were born on June 14. "Welcome to the world Zion Mixolydian Cannon & Zillion Heir Cannon," she shared in a video in which she's holding both newborns. The boys' arrival comes just a few months after Nick welcomed his fourth child, daughter Powerful Queen, in December 2020 with Miss Guam 2014 Brittany Bell — with whom he also has son Golden, 4. The "Masked Singer" host is also a dad to twins Moroccan and Monroe, who were born in 2011, with ex-wife Mariah Carey. He's also expecting another child in 2021 — his seventh — with model Alyssa Scott.

The twins have arrived! "The Bachelor" stars Arie Luyendyk Jr. and Lauren Burnham welcomed their twins — a boy and a girl — on June 12, the race car driver-turned-realtor announced on his Instagram Story. Over the next few days, the couple — who are also parents to daughter Alessi, 2 — revealed their son's name, Lux, and that their newborn daughter had to remain in the hospital a little longer than her brother due to some breathing issues. Once she was safely home, the couple shared her name: Senna.

On June 12, Kristen Welker — NBC News's co-chief White House correspondent and a "Weekend Today" co-anchor — and her husband, marketing exec John Hughes, welcomed their first child. They named their daughter — who was born with the help of a surrogate following a nearly three-year fertility struggle — Margot Lane Welker Hughes.

On June 9, "Entourage" star Kevin Connolly announced on Instagram that he and his girlfriend, "The Oath" and "If Loving You is Wrong" actress Zulay Henao, had welcomed their first child together. "She has arrived!!! Kennedy Cruz Connolly ready to go for game 6!!!!" he captioned a sweet photo of his newborn wearing a New York Islanders onesie. "Trying to explain that we need to win one of the next two games to move on is tough. She's only a week old!!' @zulay_henao Thanks for getting her ready for puck drop!!!" Zulay shared more photos of their beautiful daughter on Instagram on June 13.

Season 20 "The Bachelor" alum Lauren Bushnell and her husband, country music singer Chris Lane, welcomed their first child, a son, on June 8. "Dutton Walker Lane … Your dad and I can't get enough of all 9 pounds of you. Now back to baby cuddles and praising Jesus over and over again for this little miracle!! 🙏," Lauren captioned a photo slideshow introducing her baby boy on Instagram.

On June 6, "Smallville" alum Tom Welling and wife Jessica Rose Lee Welling announced on Instagram (see the adorable photo here) that they'd welcomed their second child, son Rocklin Von. He joins big brother Thomson Wylde, 2. 

She's here! "It is with great joy that Prince Harry and Meghan, The Duke and Duchess of Sussex, welcome their daughter, Lilibet 'Lili' Diana Mountbatten-Windsor, to the world. Lili was born on Friday, June 4 at 11:40 a.m. in the trusted care of the doctors and staff at Santa Barbara Cottage Hospital in Santa Barbara, CA," the royals announced in a statement on their Archewell Foundation website two days after their daughter's arrival. "She weighed 7 lbs 11 oz. Both mother and child are healthy and well, and settling in at home." They also confirmed the inspiration behind her name: "Lili is named after her great-grandmother, Her Majesty The Queen [Queen Elizabeth II], whose family nickname is Lilibet. Her middle name, Diana, was chosen to honor her beloved late grandmother, The Princess of Wales." The couple are also parents to son Archie, 2. He is seventh in line to the British throne while Lili is eighth.

On June 4, "Pretty Little Liars" alum Troian Bellisario took to Instagram with a surprising announcement: She and her husband, "Suits" alum Patrick J. Adams, quietly welcomed their second child. "Ms Elliot Rowena Adams joined us on May 15th under the wildest of circumstances. A whole new ERA for this family. Welcome, my love," Troian captioned a photo with their newborn. Patrick also shared the birth news writing on social media, "+1…..Welcome to the funhouse, Ms. Elliot Rowena Adams. May your life be as unique and exciting as your arrival." The couple welcomed their first child, daughter Aurora, in 2018.

On May 28, HGTV's Erin and Ben Napier welcomed their second child, daughter Mae, they confirmed to People magazine. The "Home Town" stars are also parents to daughter Helen, 3.

"Teen Mom OG" star Cheyenne Floyd gave birth to her first child with fiancé Zach Davis, son Ace Terrel, on May 27, they announced on Instagram. Ace joins half-sister Ryder, 4, whom Cheyenne shares with ex-boyfriend Cory Wharton.

RELATED: Stars who used surrogates

Gym, tan, baby! "Jersey Shore" star Mike "The Situation" Sorrentino's wife, Lauren, gave birth to their first child — son Romeo Reign — on May 26, they announced on Instagram with a photo slideshow of their family of three in the hospital.

Surprise! On May 25, actress Emmy Rossum — who never publicly revealed her pregnancy — took to Instagram to announce that she'd given birth to her first child with husband Sam Esmail, who created "Mr. Robot." "5.24.21 On a sunny Monday morning, at 8:13AM, we welcomed our daughter into the world," she captioned photos from a maternity shoot, ending with a baby's footprint.

On May 23, singer Fantasia Barrino gave birth to her third child — and first with husband Kendall Taylor — daughter Keziah. The "American Idol" alum is also a mom to son Dallas Xavier, 9, and daughter Zion Quari, 19, from previous relationships, while Kendall has a son, Treyshaun, from a previous relationship, People magazine reported.

"Selling Sunset" star and celebrity realtor Christine Quinn and husband Christian Richard, a retired tech entrepreneur, welcomed their first child together, son Christian Georges Dumontet, via emergency C-section on May 15, she told People magazine. "Baby C" arrived two days after they attended the MTV Movie & TV Awards: UNSCRIPTED event (pictured), which taped on May 13 and aired on May 17.

Actor-filmmaker Joel Edgerton and girlfriend Christine Centenera, who's the fashion director of Vogue Australia, welcomed their first child "a few days ago," he told Oprah Winfrey during a May 19 interview to promote his new miniseries "The Underground Railroad." "I just ran away from the hospital for a moment," he said. "I can't even put it into words. I'm in love." The couple, People magazine reported, have known each other for about 20 years but only started dating in 2018.

Jason Derulo and girlfriend Jena Frumes — who started dating right before coronavirus pandemic lockdowns began in 2020 — welcomed their first child, a son, in Los Angeles on May 8, they announced more than a week later. "The happiest day of my life bringing our baby boy (Jason King Derulo) home. He's so lucky to have such a strong caring hero of a mother @jenafrumes," the music star captioned a video chronicling their trip to the hospital and the moments after their son's birth. The model-influencer posted a lengthy slideshow of photos on her own Instagram feed giving "a glimpse of my first week with our healthy handsome little king." Jena added, "Life now has so much more meaning & I am so grateful. I'm so so so in love with this little boy he's everything I never knew I needed."

Surprise! On May 18, supermodel Naomi Campbell took to Instagram to announce that she's now a first-time mom. "A beautiful little blessing has chosen me to be her mother," she began her post, which includes a photo of her hand cradling her baby's feet. "So honoured to have this gentle soul in my life there are no words to describe the lifelong bond that I now share with you my angel. There is no greater love."

On May 17, Irish MMA fighter and boxer Conor McGregor took to Instagram to announce the birth of his third child with fiancée Dee Devlin. "The McGregor Clan is now a family of 5 ❤️ Healthy baby boy delivered! Baby and Mammy Wonder Woman are doing great! God I thank you for everything you give to me and my family in this world 🙏 My new born son, Rían McGregor ❤️," he captioned a photo of himself holding his newborn. Rían joins big brother Conor Jack, who arrived in 2017, and big sister Croía, who was born in 2019.

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MSNBC anchor Katy Tur gave birth to her second child with her husband, "CBS This Morning" co-anchor Tony Dokoupil, on May 13, the couple told People magazine. They named their daughter Eloise Judy Bear. She joins big brother Teddy, who arrived in 2019, as well as two half-siblings from Tony's first marriage.

On May 11, "Duck Dynasty" and "Dancing With the Stars" alum Sadie Robertson gave birth to her first child with husband Christian Huff — a 9-pound, 5-ounce daughter they named Honey James Huff. "We saw a million little miracles yesterday – the best one being this girl right here… Honey 💛," Sadie captioned a slideshow of photos of her family of three. "The pure goodness of God."

On May 10, "Spy Kids" alum Alexa PenaVega announced that she'd given birth to her third child with singer-actor Carlos PenaVega, but the newborn was in the NICU after arriving more than a month before her due date. "Let's just say we learned once again that God is always in control. You may have a PLAN for your life, but all that really matters is HIS plan," Alexa captioned an Instagram photo of herself and Carlos holding their daughter's hand. "Little Rio could not wait to come out and play with her brothers! Momma is feeling good and baby girl is kicking some serious booty in the NICU. … What a wave of emotions. Much love and thanks to all the Nurses, Doctors from Maui to Oahu – who brought little Rio safely into this world." The couple finally got to bring baby Rio home on May 16, Alexa told fans on Instagram. She joins big brothers Ocean King, 4, and Kingston James, 1.

On Mother's Day, May 9, "Orange Is the New Black" and "The Handmaid's Tale" actress Samira Wiley and her wife, "OITNB" writer Lauren Morelli, shared the happy news that they'd quietly welcomed a baby, daughter George Elizabeth on April 11. "Happy 1st Mother's Day to my beautiful wife, who four weeks ago today after laboring for almost 3 days gave birth to our first child — our gorgeous daughter, George," Samira captioned a photo of their infant on Instagram. "Welcome to the world, babygirl. We love you and we thank you for giving us the best 1st Mother's Day two ladies could ask for." Lauren — whose pregnancy was never publicly announced — shared the same sweet photo, captioning it, "4 weeks ago today, our daughter came into the world and changed everything. We are so happy, so grateful, and so tired. George Elizabeth, 4.11.21 ❤️."

Model Karolina Kurkova announced on Mother's Day, May 9, that she and husband Archie Drury had welcomed their third child, a daughter. "Welcome LunaGrace, our little angel 😇, born on the pink supermoon. We are so in love. #mothersday," she captioned a photo of her newborn in a onesie with angel wings on the back. The baby joins big brothers Noah Lee, 5, and Tobin Jack, 11.

Hulu star Maya Erskine, who will be appearing on the upcoming Disney+ Obi-Wan Kenobi series, and her fiancé, "This Is Us" actor Michael Angarano, welcomed their first child together not long after she spoke to Vogue in an interview that was published on May 7, the magazine announced, revealing that they'd named their son Leon Frederick.

Hulu star Anna Konkle gave birth to her first child with writer-actor Alex Anfanger earlier in 2021, Vogue revealed in early May. Anna told the magazine they named their little girl Essie Wunderle Anfanger. "The middle name comes from my dad's side of the family, in honor of him," she explained. "The Wunderles were known to have strong, forward-thinking women. And my great-great-grandfather, also a Wunderle, went from selling sweets from a street cart to having a large factory where candy corn was invented. Hopefully she'll appreciate the name instead of resenting us for giving her something difficult to spell."

"Entourage" alum Jerry Ferrara and wife Breanne welcomed their second child — and second son — at home on April 30, they announced on Instagram a few days later. "My heart is so full and we are ready to do our best to raise good men! To my 2 boys I promise to always love you and to be there for you in every way I can be," the actor captioned a slideshow debuting his newborn. "To my amazing wife @breanneracanoferrara what can I say. You're the greatest thing that ever happened to me who also gave me two of the greatest gifts I have ever received. I marvel at what you have done and you are the glue that holds us all together. Not enough words to ever thank and honor you. So for now I'll just say thank you and I love you forever and ever!" The couple are also parents to son Jacob Michael, who arrived in May 2019.

British pop star Ellie Goulding and husband Caspar Jopling are first-time parents. The art dealer announced on his Instagram Story on May 2 that Ellie had given birth. "Mum and baby both healthy and happy. Extremely grateful. I don't ever address the public attention that comes with Ellie's job. But during this magical and personal moment we would really appreciate being able to enjoy our privacy .. Thank you x," he wrote. A few days later on May 6, Caspar shared a photo of the baby announcement they placed in the U.K.'s The Times newspaper, revealing they had a boy. It read: "JOPLING on 29th April 2021 to Elena Goulding and Caspar, a son, Arthur Ever Winter."