Roberts competed against John Foster, 18, of Addis, Louisiana and Breanna Nix, 25, of Denton, Texas. After two rounds of performances, the three competitors stood on stage awaiting the third place announcement.

Jessica Simpson took the "American Idol" stage Sunday night for her first television performance in 15 years.

Each of the three has carved a distinct identity throughout the competition, setting the stage for a closely watched finale.