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

NEW YORK, NY - DECEMBER 11: (L-R) Dinah-Jane Hansen, Ally Brooke, Camila Cabello, Normani Hamilton, and Lauren Jauregui 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