Jennifer Lopez's 'American Idol' Finale Performance with Prince Royce & Pitbull (Video)

Jennifer Lopez hits the stage with Pitbull and Prince Royce to sing his new song “Back It Up” on the season 14 finale of American Idol on Wednesday (May 13) in Los Angeles. Tonight, either Clark Beckham or Nick Fradiani will be crowned the winner of season 14. On the show, JLo said she believes