Z100′s annual Jingle Ball concert brought the hottest stars in music to Madison Square Garden Friday night.
PHOTOS: Stars Come Out For Jingle Ball Concert
Taylor Swift got cozy with Adam Lambert. Gossip Girl Leighton Meester proved she really does have pipes. And a fan, not a singer, Peter Facinelli was there representing the gang from Twilight.
PHOTOS: Taylor Swift Debuts Her New Do And Hobo Trinity Bag In New York City
PHOTOS: Leighton Meester Gets Dressed In Racy Threads For American Eagle
The show is the east coast version of L.A.’s KIIS-FM Jingle Ball concert, held a week earlier.
VIDEO: KIIS-FM Jingle Ball Stars Talk To RadarOnline.com
Peter Facinelli Mixes It Up With Twilight Fans