Jessica Biel is known for her sexy, athletic body, and as you can probably guess, she didn't get it by sitting around playing video games. Growing up, her family didn't play video games or watch movies -- instead, they played soccer, basketball, and gymnastics outside. And her mom always made her feel great about her body, which has helped Jessica remain confident as a Hollywood starlet. I'd be pretty confident with those rock hard abs, too.

Hilary Duff is looking healthy and gorgeous these days, and she owes part of that to her fitness routine, which includes Pilates. She's feeling good about her body and her health, and therefore, so am I -- her smile can cheer just about anybody up!

Country crooner Trisha Yearwood does more than just sing -- she's the author of a cookbook, and she recently shared some kitchen secrets with Health.com. Wonder how she gets her stepdaughters to eat fresh fruit? Find out here!

Vanessa Carlton knows how important it is to have a mentor in one's life (hers is Stevie Nicks, who taught her to reach out to other young female musicians), which might be part of the reason she works so hard to stay fit inside and out. The 27-year-old singer/songwriter is not only a successful musician, but she's also an accomplished athlete and and well-balanced individual.

Vanessa jogs as many as five miles, six times a week to stay in shape. She doesn't have a lot of spare time, so when she works out, she wants to "sweat hard." In fact, she participated in the New York Marathon in 2005 when a friend asked her to run it for the Musicians on Call charity. She accepted the challenge and said, "The race itself was a much a mental test as a physical one."

Though she's open to running another marathon, Vanessa has found other ways to relax. She actually went all the way to India to learn to meditate, but found it difficult because she was so active. Now, she practices a walking meditation, and wanders the streets with her dog, occasionally stopping to write down song lyrics that come to mind.

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