Jordin Sparks

American Idol alum, Jordin Sparks lost 50 pounds through exercise and a change in her diet in 18 months. In an interview on the Today Show, Sparks revealed that for her it was more about being healthy than fitting a certain dress size. “I was comfortable with how I looked. But, a lot of it has been really focusing on becoming healthier. And the plus side was that my body changed, which was awesome.”