Video: Rihanna, Alicia Keys, Justin Bieber performs @ Radio 1 Weekend

BBC Radio 1 Big Weekend brought out some of our most prized performers. Saturday night (May 23), Rihanna, Alicia Keys and Justin Bieber was some of the performers at this music festival in Bangor, North Wales.  Check out a few of the performances after the cut. Props to my peoples at Rap-Up.