Happy New Year, everyone! Last night, Mayor Bloomberg and 18 Rockettes helped kick off the end of 2012 and the beginning of 2013 in Times Square.

Times Square was, as usual, the center of festivities, from people happily standing in the cold wearing wacky glasses and hats supplied by sponsor Nivea to musical performers like Taylor Swift, Psy with MC Hammer, Train (singing... Imagine), Carly Rae Jepsen, Neon Trees and more.

Taylor Swift:

Psy and MC Hammer:

Train:

And, for laugh, here's a clip of Kathy Griffin and Anderson Cooper's interview with Psy and MC Hammer:

Griffin also repeatedly tried to fellate Cooper on TV:

Happy 2013!