Paul McCartney brought James Corden to tears with the story behind 'Let It Be.'

This article originally appeared on 06.22.18 Imagine you’re sitting in a pub and Sir Paul McCartney walks in. That’s exactly what happened when he guested on an episode of “Carpool Karaoke.” The legendary performer rolled through his hometown of Liverpool with host James Corden, sharing memories of the city, surprising fans in his favorite pub, …