The “Velvet Teddy-Bear” and Ex-Idol Ruben Studdard Will be on “The Biggest Loser [VIDEO]The “Velvet Teddy-Bear” and Ex-Idol Ruben Studdard Will be on “The Biggest Loser [VIDEO] The first ever celebrity contestant on "The Biggest Loser" will be Ruben Studdard. Will you watch your American Idol?bigonkissbigonkiss