It's A 'Carpool Karaoke' Christmas Edition 02:41
It's the "Carpool Karaoke" mashup you've been waiting for, a Christmas song with some of the stars that sat in the passenger seat in 2017. James Corden and celebrities like Kelly Clarkson, Usher, Harry Styles, Bruno Mars and Miley Cyrus all join in with holiday spirit singing "Santa Claus Is Comin' to Town." Watch out for a special moment between Harry and James as well!