Singers Mariah Carey, Adele, Selena Gomez and Lady Gaga are some of the singers who have featured in the 'Carpool Karaoke' segment on James Corden's television talk show. They are shown singing Mariah's track 'All I Want for Christmas'. Elton John, Demi Lovato, Coldplay's Chris Martin and members of the band 'Red Hot Chili Peppers' also feature in the video.