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LOS ANGELES, CA - JULY 05: Singer Demi Lovato performs at 102.7 Kiis FM's Cool For The Summer' Pool Party at the WaterMarke Tower on July 5, 2015 in Los Angeles, California. (Photo by Michael Buckner/Getty Images)

LOS ANGELES, CA - JULY 05:  Singer Demi Lovato performs at 102.7 Kiis FM's Cool For The Summer' Pool Party at the WaterMarke Tower on July 5, 2015 in Los Angeles, California.  (Photo by Michael Buckner/Getty Images)