Justin Bieber Debuts New Song 'Boyfriend' on The Voice (watch!)
Justin Bieber debuted his song “Boyfriend” on the live finale of NBC’s “The Voice” in an elaborately staged production that included a passel of hot dancers. Justin danced and sang. Did he lip-synch? Judging from a video of the performance (see below), it appeared Justin was singing during the number. But he also could have been singing along with a track....