James Corden proves he’s the biggest One Direction fan in carpool karaoke video…

James Corden has really clocked up the miles this year as he drives around LA singing with the stars.

We certainly wouldn't want to be the ones paying his fuel allowance, that's for sure. The host of The Late Late Show wrapped up his year with special guests One Direction, who were probably better than most at Corden's carpool challenge (although our fave is still Stevie Wonder). With Niall in the front alongside James, the boys burst into a medley of their biggest hits. The collective harmony segway is almost as good as the scene in Will Ferrell's movie Step Brothers... https://www.youtube.com/watch?v=329xjDM7YaE Clip via The Late Late Show with James Corden