All I Want for Christmas Carpool Karaoke Mariah Carey Adele Lady Gaga Video

 

'All I Want for Christmas' Carpool Karaoke

James caps off 2016 with a Christmas edition of Carpool Karaoke featuring Mariah Carey, Adele, Lady Gaga and other guests throughout the year to sing Mariah's classic "All I Want for Christmas Is You."