1. Ashton Kutcher and Demi Moore. Both Kutcher and Moore have credited P90X workouts for their fantastic bodies!
2. Pink. Celebrity Pink just had a baby, so we wouldn't be surprised if she went back to her P90X workouts while at home with the baby.
3. Sheryl Crow. Is there anything Crow won't try? In addition to all of these workouts, she has also seen great results from doing P90X!
4. Erin Andrews. When not dancing, ESPN sportscaster Andrews says that P90X keeps her lean and strong!
5. The Old Spice Guy. Isaiah Mustafa, better known as the guy in the Old Spice commercials, told Jay Leno last year that he keeps his buff body and commercial-ready by doing P90X.