It's never too early to live a healthy lifestyle. Just ask Miley Cyrus who, at 19-years-old, is a Pilates junkie. She's regularly snapped by photographers coming to-and-from Pilates classes in Southern California, and the singer recently tweeted "Pilates is my favorite part of the day." No matter your age, the benefits of the strengthening regimen are many. From improvement in flexibility and posture to a more feminine six-pack, Pilates is the ultimate core exercise. If crunches have stopped working their gut-busting magic and you're looking for something more rewarding, break out your yoga mat and give Cyrus' must-have moves a try!