Justin Bieber performing One Less Lonely Girl LIVE at the Summer Time Ball 2012. I was at this show, it was AMAZING NO COPYRIGHT INFRINGEMENT .\rbr\rbrFB: Full concert on channels and .\rbr\rbrthis is by far one of the most beautiful one less lonely girl stories i have ever seen.\rbr\rbrJustin Bieber Performance One Less Lonely Girl (Acoustic) Version.\rbr\rbrMusic video by Justin Bieber performing One Less Lonely Girl. (C) 2009 The Island Def Jam Music Group #VEVOCertified on December 27, 2010.