Shocking, indeed! Some celebs seek out extreme methods to shed pounds, while others transform with the aid of healthier methods. From Rosie O'Donnell's and Jordin Sparks' respective 50 pound weight losses to Biggest Loser winner Rachel Frederickson's whopping 155 lighter frame, see before and after pictures of celebrities' weight loss transformations.
Star Jones 160 pounds
"I wasn't plus-size," the View alum told the Today show. "I was morbidly obese." Taking matters into her own hands, Jones went for a bypass operation in 2003 to save her life. As a result, the TV personality dropped from a size 26 to size 6 and dropped 160 pounds in 3 years. To maintain her weight loss, she started to exercise regularly and improved her eating habits.