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LAS VEGAS, NV - APRIL 23: Singer Kirstin Maldonado of Pentatonix performs at the Mandalay Bay Events Center on April 23, 2016 in Las Vegas, Nevada. (Photo by David Becker/Getty Images)

LAS VEGAS, NV - APRIL 23:  Singer Kirstin Maldonado of Pentatonix performs at the Mandalay Bay Events Center on April 23, 2016 in Las Vegas, Nevada.  (Photo by David Becker/Getty Images)