Justin Bieber's surprise visit–and performance–at Wall

Seth Browarnik/StarTraksphoto.com
Justin Bieber paid a surprise visit Tuesday to Wall for the Favela Beach party. He arrived with 6 friends at around midnight and got a table with Belvedere Vodka, champagne  and Dobel Tequila.  

After about an hour, he unexpectedly  left his table , went to the booth and got on the mic. Of course the clubkids went crazy with cameras flashing “so much you would have thought paparazzi was inside,” says a source. And they were–check out the photo gallery at  http://www.startraksphoto.com/m/mGallery.aspx?ev=f7bb52a7da3

The Biebs, finally legal in a South Beach club, then instructed everyone to put their phones down and have a drink with him saying “put your phones away, this is only going to happen once!” and proceeded to  sing a a mashup of his current top hits What Do You Mean and Where Are You Now?  Squeal.