Ruben Studdard, fellow 'American Idol' alumni perform duets with final contestants
Friday, February 12, 2016 - 11:30
in Health & Medicine
Marilyn MalaraLOS ANGELES, Feb. 12 (UPI) -- "American Idol" alumni like Ruben Studdard, Caleb Johnson and Fantasia returned to the show to duet with current contestants Thursday night.