Stars' Best Parts

They say the camera adds 10 lbs. – so staying trim and toned in Hollywood must be almost as tough as winning an Oscar. In recognition of those who live by the motto "No pain, no gain," we've chosen the physical attributes of the stars we think have benefited from it most. From Ben's chest to Geri's abs, each qualifies as a perfect part – and as any actor can tell you, finding those in Hollywood is rare indeed.

BEST ABS: USHER

Talk about suffering for beauty. R&B star Usher squeezes in up to 1,000 stomach crunches every day, and when he's not on tour, he makes four two-hour trips to the gym each week. Still, even he has limits. "I don't touch weights," he says. "It's better to lift your own weight. That's why you see boxers punching the bag, doing jump-rope. It makes you stronger."