James Corden Locks Lips with Harry Styles During ‘Karaoke’ Christmas Spectacular

James Corden secretly had all his “Carpool Karaoke” guests this year sing a rendition of “Santa Claus Is Comin’ to Town,” and just unwrapped an amazing compilation of them all!

Corden and Reggie Watts kick off the special that includes Katy Perry, Bruno Mars, Miley Cyrus, Pink, Usher and Kelly Clarkson.

Oh, and Harry Styles and Corden shared a passionate kiss … without any mistletoe.