Kelly Carlson was certainly well cast to kick alien ass in Starship Troopers 2 (2004), because we can't think of a more fearless actress working today. First, the gorgeous blonde was actually believable as a biker in 3000 Miles to Graceland (2001). Then, Kelly became a true overnight star after the debut episode of FX's Nip/Tuck. Playing a model picked up by a decadent plastic surgeon, Kelly performed the wildest simulated sex to ever grace a basic-cable network. She was even pretty impressive in the role before she started doing it doggy style. Naturally, the smart Nip/Tuck producers made Kelly a regular on the show, where her character eventually became a porn star, made out with 90210's AnnaLynne McCord and showed off her luscious sweat-beaded can. Forget plastic surgery, Kelly's caboose will give you instant penis enlargement!