Star Secrets to Shaping Up!

Get fit and stay healthy with celeb-approved workouts and tips that keep stars (Lady Gaga! Cameron Diaz!) looking great (15 Photos)

Joy Simon on Mar 9, 2012 at 4:43PM

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Star Secrets to Shaping Up!

Christopher Polk/Getty Images for Clear Channel

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Lady Gaga

If your body is already in tip-top shape like Lady Gaga's, concentrate on small changes that will yield big rewards. As a devoted follower of trainer Harley Pasternak and his 5 Factor diet and workout, Gaga has achieved rock-solid abs and a performance-ready physique. But to maintain her tone and her health, the duo focuses a lot on preventative exercises. In an interview with Wonderwall, Pasternak revealed, "There are some exercises we do with her to make sure she's not injured onstage," he said. "We make sure to include some upper-body exercises and posture work, and some work to the back of her thighs." If this season is filled with stress and strain, remember to exercise with purpose, targeting your major muscles, to prevent injury.

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