Justin Bieber: Jingle Ball 2009

Justin Bieber  was challenged by Cobra Starship's lead singer, Gabe Saporta to a dance off at Sacramento's Jingle Ball, here's what Justin Bieber had to say to the challenge:

[youtube=http://www.youtube.com/watch?v=tfiEDbrSN6o&hl=en_US&fs=1&]