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LAS VEGAS, NV - MAY 17: (L-R) Recording artists Lauren Jauregui, Ally Brooke, Normani Hamilton, Dinah Jane Hansen and Camila Cabello of Fifth Harmony arrive for The 2015 Billboard Music Awards on May 17, 2015 in Las Vegas, Nevada. (Photo by Gabriel Olsen/Getty Images)

LAS VEGAS, NV - MAY 17:  (L-R) Recording artists Lauren Jauregui, Ally Brooke, Normani Hamilton, Dinah Jane Hansen and Camila Cabello of Fifth Harmony arrive for The 2015 Billboard Music Awards on May 17, 2015 in Las Vegas, Nevada.  (Photo by Gabriel Olsen/Getty Images)