Craving a change? Find out how Jennifer Lawrence and 15 other beauties transformed everything from their hair to physique to attitude
Best 15-Year Improvement: Charlize Theron
Credit Dior. Since signing on as spokesmodel in 2004, the Snow White and the Huntsman star, 36, "has acquired a great eye" for flattering silhouettes, says her stylist Leslie Fremar. Overlooking trends for fitted cuts from Stella McCartney and Lanvin, Theron "likes low-cut necklines," says Fremar. "They make her look tall and thin."
Credit: Ron Galella/WireImage.com; Frazer Harrison/Getty