25 Shocking Celebrity Weight Changes

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

Credit: Getty Images/Sipa

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Kelly Osbourne

After a stint on Dancing with the Stars, Ozzy's daughter quit her emotional eating and dropped 50 pounds.

All the dance workouts and weight training paid off for the 29-year-old; she bared her new size 2 body on the December 2010 cover of Shape magazine.

Next: Jared Leto

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