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SEATTLE, WA - NOVEMBER 14: Singer Demi Lovato performs on stage during the 106.1 KISS FM Fall Ball at WaMu Theater on November 14, 2015 in Seattle, Washington. (Photo by Mat Hayward/Getty Images)

SEATTLE, WA - NOVEMBER 14:  Singer Demi Lovato performs on stage during the 106.1 KISS FM Fall Ball at WaMu Theater on November 14, 2015 in Seattle, Washington.  (Photo by Mat Hayward/Getty Images)