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Workout like a pro

Read on for the ultimate picks and moves from Ramona Braganza, a Los Angeles–based celeb trainer whose clients include Jessica Alba and Halle Berry; Amy Dixon, a Santa Monica, California–based trainer, exercise physiologist, and fitness DVD star; and Health's own Kristin McGee, a New York City–based trainer and yoga and Pilates instructor with nine exercise DVDs to her credit.

To use this guide, pick the move designed for the area you want to target. Or put all the moves together and do two sets of each move (with no rest in between) for a 20-minute body-beautifying workout. Either way, do the moves four times a week, and you'll start looking sleeker in just three weeks. Now that's time well-spent.

Next: The best tool for fab abs: Stability ball