Ryan Seacrest hosts “Dick Clark’s New Year’s Rockin’ Eve with Ryan Seacrest 2013,” featuring an all-star lineup performing 15 #1 hits, including newly-announced additions to the West Coast party Justin Bieber, Jason Aldean, Greyson Chance, Ellie Goulding and The Wanted. In New York, Psy will join the recently announced 2012 American Music
