Holley Mangold competes during the women's 75+kg weightlifting event at the 2012 London Olympics. (Yuri Cortez/AFP/Getty Images)
(WXIA) -- "The Biggest Loser" will return to NBC for its 15th season Tuesday night.
Fifteen contestants earned the chance to appear on the hit show. This time around, two participants have higher profiles than most.
Ruben Studdard won Season 2 of "American Idol," and Holley Mangold is a weightlifter who represented the United States at the 2012 London Olympics.
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Atlanta fitness expert Dolvett Quince will also return as a trainer, along with Bob Harper and Jillian Michaels.
"The Biggest Loser" premieres at 8 p.m. on 11Alive.