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Hot damn, ladies! Way to ring in 2015...

Last night Taylor Swift was among the all-star list of musicians who performed in Times Square, and they two went all out -- in not much at all! Before singing her hit tune, Taylor told the crowd, "I know in 2014 there was something that got under your skin. It really bothered you. Now is the time, New York City. I want to see you shake it off!"

After her set, Ryan Seacrest joked, "That was Taylor Swift and Shake It Off, looking more like take it off." When asked about her clothes (or lack thereof), Tay said, "I am absolutely freezing. This was the wrong choice," but lucky for her, Ryan offered her his coat.

As far as freezing temps, it should be noted that Fergie actually hosted a pre-recorded concert here in Los Angeles, but other performers braving the cold in the Big Apple for New Year's Rockin Eve included One Direction, Iggy Azalea, Charli XCX and Idina Menzel: