-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.[:]