Sarah Michelle Gellar gets naked for the new Vaseline ad and Vaseline.com has a guessing game for the so-called "mystery celebrity".

In promoting her new petroleum jelly gig for Vaseline, Sarah Michelle Gellar is described with the clues, "She starred opposite an Angel. This celebrity lives a full life that puts her skin to the test. Her career began when she was just five years old and over the years she's become a superstar of the small and big screen."