Watch A Year's Worth Of Carpool Karaoke Guests Get Festive With James Corden

Harry Styles, Katy Perry, and more sing a Christmas classic.

Last holiday season, James Corden put together a star-studded performance of Mariah Carey's "All I Want for Christmas Is You," featuring a year's worth of Carpool Karaoke guests. This year, he did it again, but with an entirely new group of stars and another Christmas classic — "Santa Claus Is Comin' to Town."

Starting last December with Bruno Mars, Corden has sung the tune with just about every celebrity who hopped in the passenger seat for his famous segment this year. The Late Late Show then edited them all together for the ultimate Christmas collaboration.

The video starts out with Corden and his band leader Reggie Watts carpooling to work in their tackiest holiday sweaters and Santa hats. They decide to turn on some Christmas music to get into the spirit, and just like in your favorite warm-and-fuzzy movies, the clip flashes back to a montage of stars — including Harry Styles, Miley Cyrus, Katy Perry, Sam Smith, and Kelly Clarkson — rocking out.

You'll be amazed at how many fabulous artists Corden has featured this year. We can't wait to see which stars join him in 2018, and have our fingers crossed he does this again next Christmas.

Check out the entire performance in the video below:

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