Yearning to have Madonna's killer abs, Charlize Theron's shapely thighs and Jennifer Lopez's toned booty? Tone up your lower body with these high-performance combos that work more than one group of your lower body muscles at one time! Perform three sets of each movement on alternate days to achieve a bikini-ready bottom.

1. Side Leg Lift

This exercise targets:

ab

thighs

butt

1. Begin in a kneeling position, then lift and straighten left leg out to the side at hip level. Lean your right palm against the floor for support.
2. Pump the extended leg up and down for 20 counts.
3. Kneel upright with your extended leg infront of you.
4. Pump straight leg for 20 counts.
5. Repeat with the other leg.