10 Celebrities Who Have Undergone Dramatic Weight Loss

Jonah Hill

When Jonah Hill’s stardom was rising, he was known for being an overweight, albeit hilarious actor. Hoping to be put up for more serious roles, Hill set out to become healthier and lose weight in 2011. Thanks to a helpful nutritionist, Hill lost over 40 pounds and has gone on to act in some critically acclaimed roles and to even be nominated for major acting awards.

Randy Jackson

When Randy Jackson, best known for being a judge on American Idol, was diagnosed with Type 2 Diabetes in 2001, he knew he needed to make a change. Jackson tipped the scales at 350 lbs. before he underwent gastric bypass surgery in 2003. After the surgery, he lost 130 lbs. and has managed to maintain his new weight for the most part.