Meet voluptuous and sensational new model Kate Upton, the super-hot supermodel that’s steaming up the swimsuit world. She’s a champion horseback rider – but it’s her appearances in the Sports Illustrated Swimsuit Issue, ads for Guess Swimwear and runway shows for Beach Bunny Swimwear that has everyone saying, “Who is that girl?” caught up with Kate at the Beach Bunny Swimwear show in Miami Beach.