Patrick Dempsey's Transformation Is Causing A Stir

Today, Patrick Dempsey has one of the most recognizable faces on TV. After 11 seasons playing renowned surgeon Dr. Derek Shepherd on ABC's Grey's Anatomy, Dempsey has become a certified Hollywood heartthrob, and it's hard to imagine a world where he wasn't already "McDreamy." But becoming a leading man has taken some time for the actor.