Chaka Khan
For four months, Chaka Khan started a vegan-liquid diet in order to lose weight, as a result she’s looking better than ever.
Ruben Studdard
The winner of season two of American Idol way back in 2003 has been making beautiful music, earning Grammy nominations to boot. In 2003, he was part of The Biggest Loser and by the finale, he had lost 119 pounds.