Bieber and Corden do some pre-Grammys Carpool Karaoke

Whoever the bright spark is over in LA that came up with the idea for Carpool Karaoke deserves a raise, because its certainly put James Corden on the map over there. The Late Late Show host has been joined by some of the most famous faces in music since it began, a regular of which is Justin Bieber, who joined Corden for a little pre-Grammys karaoke last night.

The pair, in their matching suits, belted out the now Grammy winning Uptown Funk and even busted out one of Corden's favourite dance moves 'big box, little box'.

Check it out below;