Sailor Brinkley, the mini-me daughter of supermodel Christie Brinkley, is following in her mom’s footsteps and making an appearance in the Sport’s Illustrated swimsuit issue. Only one key difference–the 19-year-old bares all. Sailor, whose dad is architect Peter Cook, is joined by another supermodel, Paulina Porizkova, a contemporary of her mom, and Robyn Lawley.