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

Mariah Carey shows off her chic winter style in a leather miniskirt and Chanel sweater in NYC ahead of holiday concert at Madison Square Garden

Mariah Carey Welcomes Ariana Grande, Jennifer Hudson to the Stage for ‘Oh Santa!’ in New York

Ariana Grande & Jennifer Hudson Join Mariah Carey Onstage to Sing 'Oh Santa' During Christmas Tour