Justin Bieber surprised fans Friday night at a concert under the 59th Street Bridge in Queens, New York.
He sent out a Tweet giving away tickets to his free concert to 800 lucky fans, which of course threw girls in a frantic frenzy.
He later Tweeted:
"had a blast at the secret show in Queens…need to rest my voice and get some sleep."
Rest up, bb. And don't forget to condition that hair!
P.S. CLICK HERE to "follow" Perez on Twitter!