Paul McCartney joins James Corden for Carpool Karaoke

It had been a magical mystery tour as Paul McCartney led James Corden through his hometown of Liverpool during a "Carpool Karaoke ".

James Corden has admitted that filming Carpool Karaoke with Sir Paul McCartney is his favourite moment on The Late Late Show.

The 39-year-old comedian's in-car singalong has featured mega music stars such as Madonna, Sir Elton John, Katy Perry and Mariah Carey, but getting The Beatles legend in the passenger seat was a dream come true for him.

Check out the full video above!