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." —XFINITY Entertainment Staff (Photos by Getty Images)
The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.