James Corden's end-of-year "Santa Claus is Comin' to Town" Carpool Karaoke featured Katy Perry, Usher, Bruno Mars, The Foo Fighters, Miley Cyrus, … [Read more...] about Harry Styles Gives James Corden a Kiss for Christmas in Celeb-Filled 2017 Carpool Karaoke Wrap-Up: WATCH