What do they want for Christmas? Watch as GRAMMY winners Mary J. Blige, LL Cool J, Maroon 5, Tim McGraw, Pharrell Williams, and Zedd, plus current 57th GRAMMY nominees Alt-J and Ariana Grande, reveal their holiday wishes.What do they want for Christmas? Watch as GRAMMY winners Mary J. Blige, LL Cool J, Maroon 5, Tim McGraw, Pharrell Williams, and Zedd, plus current 57th GRAMMY nominees Alt-J and Ariana Grande, reveal their holiday wishes.