Watch Justin Bieber Perform What Do You Mean? In A Surprise Appearance At The BBC's Radio 1 Teen Awards!

So smooth!
Justin Bieber made a surprise appearance at BBC‘s Radio 1 Teen Awards on Sunday night, performing What Do You Mean? and several other songs to a group of more than 9,000 screaming teenagers at London’s SSE Wembley Arena!
Related: Justin Had A Tough Moment Caught On Camera… Again!
Ch-ch-check out Justin’s performance (above) with some smooth choreographed dance moves and a VERY excited crowd!!!
What’d U think of the Biebs’ performance??