It was a Times Square celebration filled with revelers, confetti, Kathy Griffin going down on Anderson Cooper and music.
A whole lot of music.
Justin Bieber went acoustic; Hammer and Psy went Gangnam Style; Taylor Swift went red; and a trio of other artists also took to the New York City stage.
Watch Carly Rae Jepsen, Brandy and Pitbull in action at the event now: