WINNER!
40%

JENNIFER ANISTON
Aniston likes to keep her arms lean, not bulked up. Her secret? Before doing her muscle-building yoga routine, she hits the elliptical machine to burn fat and calories.

29%

KELLY RIPA
Ballet barre classes at N.Y.C.'s Physique 57 give Ripa "tremendous muscle tone," says gym cofounder Tanya Becker.

17%

Beyoncé Knowles
The singer's strength-training sessions with AJ Johnson include 35-50 reps per exercise.

9%

VICTORIA BECKHAM
The Spice Girl has tried Pilates—but otherwise "doesn't exercise at all," a pal says.

3%

MADONNA
Six days a week, she does an hour of strength work and 40 minutes of dance aerobics with trainer Tracy Anderson.

LAST PLACE 2%

SARAH JESSICA PARKER
For Sex and the City, she worked with a trainer and did yoga "to put muscle on," says a source. "She wanted to tone up."