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

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

Getty Images Entertainment Craig Barritt