The Beatles lead singer joined James Corden for a trip around Penny Lane.
While James Corden drove McCartney around his hometown in Liverpool, the singer enjoyed himself so much that he would act as a tour guide during the instrumentals of his songs.
Paul explained the meaning behind the song 'Let it Be' and once the two finished singing the song, Corden can be seen wiping tears away from his eyes.
Watch the emotional and witty video below.
