Music Photos of the Year 2012
January 1: Lady Gaga and New York Mayor Michael Bloomberg kiss in Times Square on New Year's.

While you were out last night letting the bubbly flow and counting down to ten, music stars strutted their stuff alongside Dick Clark, Ryan Seacrest, Carson Daly and Anderson Cooper.

PHOTOS: Stars Perform on New Year's Eve

Another night, another crazy outfit for Lady Gaga, who shed her sequined Pac-Man-esque outfit to help drop the ball alongside NYC Mayor Michael Bloomberg and gush over her city. But she wasn't the only star who stole the spotlight on New Year's Eve: Justin Bieber and Carlos Santana dueted, Cee Lo re-imagined "Imagine," and Selena Gomez held down the fort at MTV just across the way from her boo Biebs. Check out 10 of the night's biggest performances below.

Video: Lady Gaga, "Heavy Metal Lover/Marry the Night/Born This Way," New Year's Rockin' Eve


Video: Justin Bieber & Santana, "Let It Be," New Year's Rockin' Eve


Video: Cee Lo Green, "Imagine," NBC's New Year's Eve


Video: Selena Gomez, "Love You Like a Love Song," MTV's NYE In NYC '12


Video: Nicki Minaj, "Super Bass," New Year's Rockin' Eve


Video: Pitbull, "I Know You Want Me/Give Me Everything," New Year's Rockin' Eve


Video: Drake, "Break It Off," NBC's New Year's Eve


Video: Florence + the Machine, "Shake It Off," New Year's Rockin' Eve

Video: LMFAO, "Shots," New Year's Rockin' Eve

Video: OneRepublic, "Apologize," New Year's Rockin' Eve

And your favorite performance of the night goes to... tell us in the comments below!