KIIS FM's Jingle Ball 2014 Powered by LINE - Show [Getty Images]

LOS ANGELES, CA - DECEMBER 05: Singer Taylor Swift performs onstage during KIIS FM's Jingle Ball 2014 powered by LINE at Staples Center on December 5, 2014 in Los Angeles, California. (Photo by Jason Merritt/Getty Images for iHeartMedia)

Getty Images Entertainment Jason Merritt/TERM