100 Hottest Celebrity Couples of 2010

This Jonas Brothers star made our list last year, but with a very different young lady: Camilla Belle! Now he's back with his new gal Demi, whose reputation as a Disney success story and musical up-and-comer speaks for itself. As far as the younger generation of Hollywood goes, these two are some of the most powerful players. The only problem? We can't promise it's going to last. She's only 17!