See how Dawn lost 45 pound in 90 days. She looks amazing!

See how Alysia got her flat stomach back after having twins.

When Kimberly decided to quit smoking, she replaced cigarettes with fast food and her weight soard to 208 pounds. See how she lost 58 pounds and also won $250,000 in the Beachbody Contest.

At 360 pounds, Dave was convinced that he'd never lose the weight. Yet he never let the challenges of weight loss get him down and now he is a whole new person with a whole new life.

See how Jill, mother of 3, did with p90x.