1. Pink
Long Leg Rotation
Works: Core
Lie faceup with legs extended over your hips, hands behind head, and elbows pointing out to the sides. Crunch up, lifting your head and shoulders. Lower your left leg toward the floor as you rotate to the right, bringing your left elbow toward your right knee. Return to starting position; repeat on opposite side. Do 20 reps, alternating sides each rep.
2. Jordin Sparks
Mountain Climber
Works: Core, butt, and legs
Get in plank position, feet hip-width apart. Pull your right knee toward your chest. Extend your right leg as you pull your left knee toward your chest to complete 1 rep. Do 20 reps.
3. Nicole Scherzinger
Reverse Chop
Works: Core
Hold a weighted ball with both hands in front of hips, and stand with feet wider than your shoulders, knees slightly bent. Rotate your shoulders to the left, brining the ball outside left your hip. Twist torso to the right as you raise ball up at diagonal to the right. Return to starting position. Switch sides to complete set.
4. Alison Sweeney
Deadlift
Works: Core, butt, and legs
Stand holding dumbbells or a light bar with your feet shoulder-width apart, hands slightly wider than your hips and palms facing your body. Keep a straight lower back as you bend your knees, lowering the bar toward to the floor. Rise up to starting position.
5. Kate Walsh
Glute Sweep
Works: Butt
Stand facing a wall with feet wide, toes turned out, and
arms extended at chest height in front of you, palms pressed against wall. Bend your knees, then rise up on your right leg
as you keep your left leg bent and press it up behind you. Return to starting position. Do 15 reps; repeat on opposite side to complete set.
6. Kourtney Kardashian
Low Walking
Works: Butt and legs
Stand with feet hip-width apart and extend arms in front of you, hands clasped. Squat low and walk forward 20 steps, then backward 20 steps.
7. Vanessa Hudgens
Box Jump
Works: Butt and legs
Stand facing box or step, feet shoulder-width apart and arms extended at your sides. Squat, then jump onto the plyo box, using your arms to propel you. Step down to return to starting position and repeat. Do 20 to 25 reps.
8. Molly Sims
Side-Lying Knee In
Works: Butt and outer thighs
Lie on your left side with left elbow bent, weight on forearm, and right hand on mat in front of you. Bend your knees, place your right foot behind your left ankle, and raise your left foot, toes pointed. Lift your right knee, then extend your right leg out at a diagonal to the side. Bend right knee and repeat, keeping left calf raised the entire time. Return to starting position.