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The Fit 5: Tips to Feel (and Look) Like a Star!

From Sandra Bullock's nature-based skincare products to Nick Carter's dramatic lifestyle change, get the scoop on how to look fab like the stars

BECOME A WARRIOR

She plays a waitress with a weakness for a vampire (played by Stephen Moyer, right) on HBO's True Blood, but in real life Golden Globe winner Anna Paquin is anything but feeble. Several times a week, the actress does one to two hour-long sweat sessions combining boxing, plyometrics (exercises including bounding and jumping) and weight work with longtime trainer Clay Burwell at his High Performance Gym in New York City. "She punches hard!" he says. "And she has a mean left hook." Learn how you can kick butt with Health.com's kickboxing exercises! – Kristen Mascia