Justin Bieber defends Selena Gomez. Conan O'Brien joked on his show about Justin disrespecting a picture of Bill Clinton and also made fun of his lady love Selena Gomez. Justin must have been at least a little bothered by Conan's diss because he chose to reply to it.<br /><br />For 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
