James Corden Carpool Karaoke: Mariah Carey & Friends (including Gwen Stefani) sing “All I Want For Christmas Is You” MUST SEE VIDEO! Warning! Will put you in the Christmas mood…Merry & Jolly! 

Watch the special James Corden Carpool Karaoke with Mariah Carey, Gwen Stefani, Adele, Lady Gaga, Selina Gomez, Demi Lovato, Nick Jonas, Chris Martin, Elton John, & the Red Hot Chili Peppers singing “All I Want For Christmas is You” by th one and only DIVA…Mariah! Enjoy this Christmas classic!