If you thought Americans had no time for Corden's antics, wait until you see how Londoners respond to him holding up traffic.

Enlisting the help of Ben Kingsley to annoy commuters in the British capital, Corden last night premiered the transatlantic debut of his 'Crosswalk the Musical' idea with his own version of 'Mary Poppins', starring himself in the title role (because of course).

He's really lucky he wasn't mowed down.