Watch: Paul McCartney x Carpool Karaoke.

Paul McCartney is the latest celebrity to take part in a round of carpool karaoke with James Corden, this one filmed in Liverpool where the dynamic duo spent a day together exploring the city - visiting the Penny Lane barber, McCartney's childhood home where he wrote music with John Lennon, and surprised some locals in a pub with the gig of their lives.

NBD.

Watch the carpool karaoke episode below...