VIDEO: RIHANNA & EMELI SANDE PERFORM ON X-FACTOR U.K. FINALE

Shine light like a Diamond...Rihanna helped close out the latest season of “The X Factor” U.K. with a bang. The pop princess hit the stage to perform the ballad “Stay” off her No. 1 album Unapologetic, later turning things up with her smash “We Found Love.” Watch duo performances below.

Rihanna wasn’t the only star gracing the “X Factor” stage. Days after premiering the video, Emeli Sandé performed her new single “Clown” on Sunday’s finale. Seated at the piano, the Scottish singer-songwriter belted out the powerful ballad, receiving a standing ovation from the judges.