Here is the Justin Bieber an amazing performance on the Tonight Show with Jay Leno.
Justin Bieber also sang outside for all the beliebers that were waiting out there for him,
I know for the east coast it's already on, but west coast people you excited to watch it.
He is so good to his fans & Beliebers, That's why we love Justin Bieber.
Hehahah, LOL why did she have Bieber sign her back??
To make all the girls behind her jealous!!
Watch the video below..