The Rolling Stones and Katy Perry - Beast of Burden (Live from Vegas)

The Rolling Stones played a a fan favorite, "Beast of Burden,"  at their Las Vegas show last night, and pop star Katy Perry joined them on stage. The crowd sure seemed to enjoy the special guest performance by the "Wide Awake" singer! Check out footage of Mick and Katy's stellar vocal duet below. (Video from Pop Slags)