X-Men: First Class is tearing up the box office. Unfortunately, when it comes to skin, it doesn't put the X in X-Men. But the sexy stars of the blockbuster franchise have definitely mutated into naked babes in other movies, as well as slinky around in next to nothing. Halle Berry and Famke Janssen are just two of the superhumanly sexy superheroes that fill out our Top 10 hottest X-Men babes list!