The Biggest Loser Ruben Studdard to compete on 'The Biggest Loser's fifteenth season this fall 07/01/2013 Ruben Studdard is hoping to go from winning big to losing big. Read More RELATED NEWS Jillian Michaels' partner Heidi Rhoades files to end their domestic partnershipRachel Frederickson: The "controversial storm" after I won 'The Biggest Loser' was hurtful and I had low self-esteemJillian Michaels says she didn't quit 'The Biggest Loser' TAGS: American Idol The Biggest Loser Clay Aiken Ruben Studdard
