Best. cover. ever.
The biggest stars in music joined forces to give the world's best cover artists a life changing opportunity. From thousands of cover artist submissions from across the globe our superstars picked their favorite two cover artists and flew them to LA for a surprise of a lifetime. "Best Cover" features Ludacris, Demi Lovato, Katy Perry, Jason Derulo, Charlie Puth, Keith Urban, Bebe Rexha, DNCE, Flo Rida and Nicky Jam.