Celebrity Slim-Down Secrets

In late 2009, Kelly signed on to participate in "Dancing With the Stars" and told Shape she credits her dance partner, Louis van Amstel, with teaching her about healthy eating. The 5'2" 26-year-old now uses a personal trainer, does plyometrics, and simply stops eating when she's full, which has helped her maintain her new 112-pound body. (02/27/11)

In late 2009, Kelly signed on to participate in "Dancing With the Stars" and told Shape she credits her dance partner, Louis van Amstel, with teaching her about healthy eating. The 5'2" 26-year-old now uses a personal trainer, does plyometrics, and simply stops eating when she's full, which has helped her maintain her new 112-pound body. (02/27/11)