Watch Mariah Carey, Adele, & Lady Gaga Sing ‘All I Want for Christmas Is You’ on ‘Carpool Karaoke’

Appearing in a special edition of “The Late Late Show’s” “Carpool Karaoke” segment, MC sang along to her holiday classic “All I Want for Christmas Is You” while riding through Calabasas with host James Corden, and a car full of presents. But that’s not all. Several “Carpool Karaoke” veterans joined in on the Christmas fun including Adele, Lady Gaga, Elton John, Selena Gomez, Gwen Stefani, Chris Martin, Red Hot Chili Peppers, Demi Lovato, and Nick Jonas, among others.