Justin Bieber performes You Got It Bad at Z100's Jingle Ball Concert, with a special guest. Can you guys guess who? Watch the video to find out. [youtube=http://www.youtube.com/watch?v=KYC3a_R7f00&hl=en_US ...

Check out Justin's backstage interview with z100 host at the annual Jingle Ball Concert in New York City. [youtube=http://www.youtube.com/watch?v=BX7hRlZm33M&hl=en_US ...

Justin Performing at  Z100's Jingle Ball All Access Lounge, Check out the exclusive footage below: [youtube=http://www.youtube.com/watch?v=45bBPGieczM&hl=en_US&fs=1&] [youtube=http://www.youtube.com/watch?v=2xWnu3-E4og&hl=en_US ...

Justin Bieber performed at Kiss 108's Jingle Ball concert, in Boston, MA. Watch exclusive footage of  Justin's performance below. [youtube=http://www.youtube.com/watch?v=VVoKXEKUGeI&hl=en_US&fs=1&] [gallery link="file" order="DESC" columns="4" orderby="rand"] ...

Jordin Sparks and Justin Bieber performing "No Air" together live at the Kiss 108 Jingle Ball in Boston on December 10th, 2009. What do you guys think? Does Justin sing better than Chris Brown? [youtube=http://www.youtube.com/watch?v=YpCRtTO1NGk&hl=en_US ...