James Corden's latest Carpool Karaoke guest was the one and only Sam Smith, and it was definitely one of the funniest yet. Plus, the 'Late Late Show' host managed to make the singer's whole year by ...

Thank you, James Corden, for gifting us with so many amazing, song-filled car rides in 2017! In a year filled with heartbreaking celebrity splits, devastating news stories and tragic deaths, it was ...