James Corden knows how to get into the Christmas spirit. Decked out in an ugly Christmas sweater, the Late Late Show host invited none other than Mariah Carey into his present-filled car. And Carey has a wish. “I want you to sing my song ‘All I Want For Christmas,’” she asks.

They begin belting out the first verses of the Christmas song, but then there’s a surprise: the video cuts to a clip of Adele singing a verse.

The three-and-a-half minute video also features Lady Gaga, Selena Gomez, Elton John, Demi Lovato, Nick Jonas, Gwen Stefani, Coldplay’s Chris Martin and a clap-friendly verse from the Red Hot Chili Peppers. 

Watch it all below.

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