Here are Jimmy Fallon and Taylor Swift dancing on the JumboTron

Dancing while you're on the JumboTron is a time-honored tradition at basketball and hockey games, with fans busting out moves for the entire stadium to see. Taylor Swift and Jimmy Fallon gave their take on the whole thing with a series of dances for the Knicks, Nets, Islanders and Rangers:

Swift even broke a board with her fist, karate-style. That's how you know she's serious.

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