Global superstar Justin Bieber is set to do a cameo in the hit animated sitcom 'The Simpsons' . To know more, check out the video. Subscribe now and watch more Hollywood Entertainment News at http://www.youtube.com/subscription_center?add_user=hollywoodnow. Regular Facebook Updates http://www.facebook.com/RajshriDotCom. Twitter Updates https://twitter.com/#!/RajshriDotCom. Follow us on google plus: https://plus.google.com/u/1/b/103548761017638276790/posts . Get some more dose from http://www.rajshri.com/. Watch more http://www.youtube.com/HollywoodNOW for the latest Hollywood News.