All Mariah Carey wanted for Christmas was for James Corden to sing her holiday classic “All I Want for Christmas is You” for Carpool Karaoke. Naturally, he obliged.
But what what makes the video is the work Corden put in all year-long to capture his other celebrity guests singing Mariah’s hit.
Mariah was Corden’s first guest back in 2015, though she was initially reluctant about singing.
“She came out and said, “Oh, I’m not singing today,'” Corden told Howard Stern. “She went, ‘We’ll just drive around and have a chat.’ I went, ‘Oh, right. It’s just, we call it Carpool Karaoke, so without that…'”
Check out the star-powered tribute to the iconic diva below.