Exercises to Tackle Your Trouble Spots

We asked Harley Pasternak, the fitness expert who has whipped A-list mamas like Vanessa Williams and Milla Jovovich into shape, to let us in on his favorite exercises for firming up the toughest zones as efficiently as possible. "By doing the most effective move for each body part, you'll squeeze in a great workout in 20 minutes," says Pasternak, author of The 5-Factor Diet. And by jumping from one thing to the next without stopping to rest, you'll also sneak in fat-burning aerobic exercise while shaping sexy muscles. Do the following moves two to three times a week and watch your confidence soar.