Winner: Zac Efron
There's more of him to love: The actor, 23, packed on 18 lbs. of muscle for the upcoming drama The Lucky One
Winner: Audrina Patridge
The reality star, 26, doesn't rely on conventional gym equipment to manage her midsection. "I love dancing and running on the beach," she says.
Winner: Minka Kelly
"I care most about the booty," says the new Charlie's Angels
star, 31, who does "like a million!" squats with trainer Gunnar Peterson.
Winner: Kellan Lutz
star, 26, is into boxing and martial arts.
Winner: Jennifer Aniston
The yoga fan, 42, has said that "going to the gym gets my brain moving."
Winner: Rafael Nadal
The six-time French Open champion, 25, has opted for high-impact aerobic work while training.
Winner: Jennifer Lopez
Her fitness mantra: "The key is not to miss a workout," says the singer, 41, who uses trainer Tracy Anderson's DVDs.
FOR COMPLETE RESULTS, GO TO PEOPLE.COM/HOTTESTBODIESPOLL