HOT 99.5''s Jingle Ball 2014 - Backstage [Getty Images]

WASHINGTON, DC - DECEMBER 15: Calvin Harris speaks at HOT 99.5s Jingle Ball 2014, Presented by Mattress Warehouse at the Verizon Center on December 15, 2014 in Washington, D.C. (Photo by Larry French/Getty Images for iHeartMedia)

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