Rihanna returned to the American Idol stage on Thursday (April 14) night to deliver a stunning performance of her Loud ballad "California King Bed." The gorgeous redhead previously performed the song with country music star Jennifer Nettles at the Academy of Country Music Awards. For her Idol performance, RiRi donned a floor length gown and was accompanied by six aerial silk dancers. Head over to Rap-Up to watch the video.