The first look at Mariah Carey’s Magical Christmas Special is out, as the trailer and key art for the Dec. 4 event for Apple TV+ has been unveiled today.The show will feature Carey with Tiffany Haddish, Billy Eichner, Ariana Grande, Jennifer Hudson, Snoop Dogg, Jermaine Dupri, Misty Copeland and Mykal-Michelle Harris, as well as Carey’s nine-year-old twins, son Moroccan and daughter Monroe.