Justin Bieber Performs Acoustic Set for Fans After 'Tonight Show' Appearance (PHOTOS)
Fans across America watched Justin Bieber on The Tonight Show with Jay Leno last night, but he had a special surprise for those waiting outside the studio in Los Angeles.
The 18-year-old performed an impromptu song with his acoustic guitar -- and quickly whipped the crowd into a frenzy.
But the singing sensation didn't perform alone.
Bieber got a little help from his fans when the acoustic performance of "Boyfriend," his new single, turned into a singalong. In fact, the crowd eclipsed the superstar's voice when they joined in on the song.
The Biebs isn't the only singer to give fans a little extra excitement after appearing on The Tonight Show: The Wanted also performed outside the studio after their recent appearance.
Bieber is currently doing the promotional rounds for his new album, "Believe." Celebuzz recently caught up with the singer in New York, where he revealed the best way for fans to get his attention. Watch the video below to see what it is: