Season 2 - Ruben Studdard
After winning season 2, Studdard nabbed a "Best Male R&B Vocal Performance" Grammy nomination for his hit song "Superstar." He has released five studio albums since his days on “Idol,” including his latest, "Letter from Birmingham," in March 2012. After years of struggling with his weight, Studdard joined the 15th season of “The Biggest Loser." He released his sixth studio album, entitled "Unconditional Love," in February. —XFINITY Entertainment Staff (Photos by Getty Images)
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