Best of 2009

Armed & Dangerous: Biggest Guns of the Year

The hottest accessory in Hollywood? A set of bulging biceps! Take a look at who muscled their way through '09!

JAKE GYLLENHAAL

Even Gyllenhaal's Lego figurine has buff arms! The actor got ripped for the sake of art, to play Prince Dastan in next year's Prince of Persia: The Sands of Time. "I've gotten buff," he told Entertainment Tonight. "I over-prepared myself because I never knew how much they were going to ask me to do."