NEW YORK, NY - DECEMBER 09: Machine Gun Kelly and Camila Cabello perform onstage during Z100's Jingle Ball 2016 at Madison Square Garden on December 9, 2016 in New York, New York. (Photo by Kevin Mazur/Getty Images for iHeart)
NEW YORK, NY - DECEMBER 09: Machine Gun Kelly and Camila Cabello perform onstage during Z100's Jingle Ball 2016 at Madison Square Garden on December 9, 2016 in New York, New York. (Photo by Kevin Mazur/Getty Images for iHeart)