Kim Kardashian: Z100 Jingle Ball 2010!

Kim Kardashian wears Zac Posen as she arrives at Z100 Jingle Ball 2010 held at Madison Square Garden on Friday (December 10) in New York City.

The 30-year-old TV personality presented at the beginning of tonight’s show! “So excited!” Kim said before heading onstage.

Also pictured inside is Jesse McCartney, who also presented at the show and is performing at the Z100 Jingle Ball’s after party!

10+ pictures inside of Kim Kardashian and Jesse McCartney at the Z100 Jingle Ball…