MAC Cosmetics And MAC AIDS Fund World Premiere Of "It's Not Over" Film Directed By Andrew Jenks - Arrivals [Getty Images]

LOS ANGELES, CA - NOVEMBER 18: Singer Rihanna (hair detail) attends the premiere of 'It's Not Over' presented by MAC Cosmetics and MAC AIDS Fund at Quixote Studios on November 18, 2014 in Los Angeles, California. (Photo by Imeh Akpanudosen/Getty Images)

Getty Images Entertainment Imeh Akpanudosen