New Year's Eve Party Pics

Adrienne Bailon celebrates New Year's Eve at the Jay-Z and Coldplay show in NYC 

            Kathy Griffin and Anderson Cooper in Times Square 

MC Hammer and PSY in Times Square for New Year's Eve (December 31, 2012).

Taylor Swift performs in Times Square for New Year's Eve (December 31, 2012).

Jay-Z celebrates NYE at the Jay-Z and Coldplay show in NYC (December 31, 2012)

Boyz II Men celebrates New Year's Eve at Tabu in Las Vegas (December 31, 2012)

Ice-T and Coco celebrate New Year's Eve in Las Vegas (December 31, 2012).

Mariah Carey and Nick Cannon celebrate New Year's Eve in Australia (December 31, 2012)

John Legend, Chrissy Teigen, Kanye West and Kim Kardashian celebrate New Year's Eve at 1 Oak in Las Vegas (December 31, 2012).

Brandy celebrates New Year's Eve (and her engagement to Ryan Press) at Lavo at the Palazzo (December 31, 2012)