Build your best ass by Bass! Celebrity trainer Teddy Bass knows his stuff when it comes to getting a rock hard body-just ask his star clients Cameron Diaz, Jennifer Lopez, Lucy Liu, and Christina Applegate. He created this intense program here on SHAPE to work the butt, glutes, legs, thighs, abs, arms, and shoulders. You're guaranteed to burn some major calories!

Created by: Celebrity trainer Teddy Bass of

Level: Intermediate

Works: butt, glutes, legs, thighs, arms, shoulders

Equipment: Exercise mat

How to do it: All exercises should be done consecutively. Complete three sets for expert level, two sets for intermediate.

Click here to get the full workout from Teddy Bass!