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NEW YORK, NY - FEBRUARY 17: Taylor Swift Visits "The Tonight Show Starring Jimmy Fallon" at Rockefeller Center on February 17, 2015 in New York City. (Photo by Theo Wargo/NBC/Getty Images for "The Tonight Show Starring Jimmy Fallon")

NEW YORK, NY - FEBRUARY 17:  Taylor Swift Visits "The Tonight Show Starring Jimmy Fallon" at Rockefeller Center on February 17, 2015 in New York City.  (Photo by Theo Wargo/NBC/Getty Images for "The Tonight Show Starring Jimmy Fallon")