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WEST HOLLYWOOD, CA - APRIL 21: Christina Aguilera attends 'The Voice' Karaoke For Charity at HYDE Sunset: Kitchen + Cocktails on April 21, 2016 in West Hollywood, California. (Photo by Jason LaVeris/FilmMagic)

WEST HOLLYWOOD, CA - APRIL 21:  Christina Aguilera attends 'The Voice' Karaoke For Charity at HYDE Sunset: Kitchen + Cocktails on April 21, 2016 in West Hollywood, California.  (Photo by Jason LaVeris/FilmMagic)