Paid PostPosted on Aug 8, 2010Justin Bieber Lines up 'U Smile' as New SingleJustin Bieber announces on Friday (August 6) via Twitter that "U Smile" will be the third single from his My World 2.0 album.by MTVBrand PublisherLinkFacebookPinterestTwitterMail Justin Bieber Lines up 'U Smile' as New Single mtv.com