25 Shocking Celebrity Weight Changes

A look at fad diets celebrities have used to shed or gain weight fast.

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Randy Jackson

In 2002, the American Idol judge weighed over 300 pounds. The music legend, 57, struggled to keep his diabetes under control and opted for gastric bypass surgery in 2003.

He lost 100 pounds and has kept it off by eating fewer processed foods, cutting back on fat and sugar, and spending more time walking on his treadmill and playing tennis.

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