You Can Do It!
Getting in shape has never been easy, a fact that isn't lost on the multi-billion-dollar fitness industry. And whether you hit the gym or prefer to workout at home, motivation can be in short supply. That's where celebrity trainers come in: With their boundless energy and enviable physiques, they've become a pop-culture staple. Here are some of the fitness gurus who have sweated their way into our hearts over the years.