Body of Work: The Top 20 Fitness Icons

The Success Story: Valerie Bertinelli

First she was the adorable girl-next-door on One Day at a Time and then the adorable wife of rocker Eddie Van Halen. Then, still adorable, Valerie Bertinelli committed the biggest felony in showbiz: She got fat. She lived in tunics until 2007, when she publicly shed 40 pounds on the Jenny Craig diet program and became an everywoman emblem for a nation struggling with its waistline. Her ultimate weight-loss motivator: "embracing the fact that I was worth it," Bertinelli, 52, has said.