Justin Bieber has been accused of lip-synching and appearing disinterested and sluggish during a concert in New Jersey. The controversial teen icon has received all round negative reviews for the performance, with fans and journalists calling him ''lazy'' and ''sloppy''. <br /><br />For more Hollywood news and gossip: <br />http://www.youtube.com/starxtreme <br /><br />Subscribe at: <br />http://www.youtube.com/subscription_center?add_user=starxtreme <br /><br />Like us on Facebook: <br />http://www.facebook.com/pages/StarXtreme/157542344312660 <br /><br />Follow us on Twitter: <br />https://twitter.com/account/confirm_email/StarXtreme1/34A22-29F73-134061
