Dick Clark, Ryan Seacrest and Jenny McCarthy ring in the New Year with the countdown from Times Square in New York City, while Fergie hosts the festivities from Los Angeles. Performers include Lady Gaga; Justin Bieber; Pitbull; Hot Chelle Rae; the Band Perry; Blink-182; Christina Perri; Florence and the Machine; Gym Class Heroes; LMFAO; OneRepublic; Nicki Minaj; Taio Cruz;; Carlos Santana; Beyoncé; and Robin Thicke.