Justin Bieber has just a few things on his plate these days. He's preparing for his world tour, filming music videos, and, it was just revealed that now he's going to mentor the hopefuls on the upcoming season of X Factor! <br /><br />or more Hollywood news and gossip:<br />http://www.youtube.com/hollywoodbackstage<br /><br />Subscribe at: <br />http://www.youtube.com/subscription_center?add_user=HollywoodBackstage<br /><br />Like us on Facebook:<br />http://www.facebook.com/hollywoodbackstage<br /><br />Follow us on Twitter:<br />https://twitter.com/#!/HollywoodBstage
