Summer Gig: Speeding up the heart rates of teen girls in The Twilight Saga: Eclipse.
Why He's Hot: Skeptics might think that after two years, the Twilight phenomenon would start to die down. But luckily, the 24-year-old actor keeps getting hotter, and the fans keep coming back to drink in his vampire sex appeal. Plus his offscreen romance with his onscreen love, Kristen Stewart, keeps his name firmly cemented in the headlines. And, of course, women always want what they can't have!