25 Shocking Celebrity Weight Changes

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

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Valerie Bertinelli

In 2007, after reaching 172 pounds, the actress became a spokeswoman for Jenny Craig and lost 50 pounds.

Our former cover girl, 53, now stays around 128 pounds by watching her portion sizes and getting active—she even ran the 2010 Boston Marathon!

Next: Mo’Nique

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