amfAR's 23rd Cinema Against AIDS Gala - Dinner [Getty Images]

CAP D'ANTIBES, FRANCE - MAY 19: Singer Katy Perry performs on stage at the amfAR's 23rd Cinema Against AIDS Gala at Hotel du Cap-Eden-Roc on May 19, 2016 in Cap d'Antibes, France. (Photo by Venturelli/amfAR16/WireImage)

WireImage Venturelli/amfAR16