'The Voice' Karaoke For Charity - Arrivals [Getty Images]

WEST HOLLYWOOD, CA - APRIL 21: Singer Christina Aguilera arrives at 'The Voice' Karaoke for Charity at HYDE Sunset: Kitchen + Cocktails on April 21, 2016 in West Hollywood, California. (Photo by Gregg DeGuire/WireImage)

WireImage Gregg DeGuire