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How Celebrities Rang in 2013: Taylor Swift, Zoe Saldana, and more!

Taylor Swift

Taylor Swift performed her most recent singles, "I Knew You Were Trouble" and "We Are Never Ever Getting Back Together," to the sound of a roaring crowd of millions of revelers in Times Square to ring in the new year. New York City mayor Michael Bloomberg, Internet sensation Psy, and Carly Rae Jepsen also helped say hello to 2013 for the Ryan Seacrest-hosted New Year's Rockin' Eve special.