Michael Buble showed up for the Z100 Jingle Ball on 12/10/10. This guy has a great voice.
Added:
You can't accuse Katy Perry of not getting into the Jingle Ball spirit. Check her out at this Z100-sponsored event.
Added:
Selena Gomez took to the stage at the Z100 Jingle Ball. But first she posed for photographers like this.
Added:
Why shouldn't Pauly D attend the Z100 Jingle Ball? He is a DJ, after all.
Added:
Kim Kardashian did not sing at the Z100 Jingle Ball. But she did present a few singers at the event.
Added:
Justin Bieber poses here on the red carpet for the Z100 Jingle Ball. This event took place in December 2010.
Added: