Z100's Jingle Ball 2015 - Show [Getty Images]

NEW YORK, NY - DECEMBER 11: (L-R) Lauren Jauregui, Ally Brooke, Dinah-Jane Hansen, Camila Cabello, and Normani Hamilton of Fifth Harmony perform onstage during Z100's Jingle Ball 2015 at Madison Square Garden on December 11, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images for iHeartMedia)

Getty Images Entertainment Jamie McCarthy