6. Valerie Bertinelli
In 2009, perennial girl-next-door Valerie Bertinelli bared her bikini bod on the cover of People magazine, proudly showcasing the muscles she'd earned on a Jenny Craig diet and exercise program. The Hot in Cleveland actress swears by Cindy Crawford Meaningful Beauty Anti-Aging Night Créme (she also starred in one of the line's infomercials).
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