May your dreams have no bounds and your spirit be strong," Robert captioned a black and white photo of the twins.
#Twins #GenderReveal #BestOfBothWorlds," Kym wrote alongside a video of herself and Robert popping pink and blue balloons filled with confetti.
The Herjavec twins are Kym's first children while Robert has three older kids, Skye, Caprice, and Brendan from his first marriage to Diane Plese .
"I’ve always wanted to be a mom and I wasn’t sure it was going to happen," the 41-year-old recently told People magazine.
Kym announced she was expecting last December, jokingly adding, "We waited so long that we decided to double up!"
In January, the Shark Tank star threw his lady a surprise baby shower .
- Kym Johnson and Robert Herjavec name newborn twins Haven Mae and Hudson RobertDaily Mail
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- Robert Herjavec & Kym Johnson: He's 'More In Love' Than Ever & 'Blown Away ...Hollywood Life
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- Kym Johnson and Robert Herjavec Reveal Twins' NamesEntertainment Tonight
- Big Reveal! Robert and Kym Johnson Herjavec Name Newborn Twins Haven Mae and ...PEOPLE.com
- 'Dancing With The Stars' Pro Kym Johnson & 'Shark Tank's' Robert Herjavec ...The Inquisitr