Work It Out! Stars' Secrets to Shaping Up

Get fit and stay healthy with celeb-approved workouts and tips that keep the stars (Jessica Simpson! Heidi Klum!) and more looking great

Source: http://www.ivillage.com/celebrity-fitness-tips-september-2012/1-b-486114?dst=iv%3AiVillage%3Acelebrity-fitness-tips-september-2012-486114

Rebecca Romijn Reese Witherspoon Rhona Mitra Rihanna Robin Tunney