Mariah Carey, Ariana Grande and Jennifer Hudson Give Surprise Performance

Mariah Carey brings Ariana Grande AND Jennifer Hudson onstage in Madison Square Garden to sing trio of her Christmas song Oh Santa!

Ariana Grande Sneaks Tribute to 'Wicked' Into Her Outfit During Mariah Carey Concert

Mariah Carey, Ariana Grande, Jennifer Hudson Sing ‘Oh Santa!’ Live in New York