The funnywoman was in the city with Apatow to promote their new movie Trainwreck and they decided to stop for a drink at a nearby bar, where they spotted a bride and groom celebrating with friends and family and decided to join in the fun, posing for photos with guests.

They even formed an unlikely trio with Hansard, who was in attendance to perform for the couple, and led the crowd in a rendition of Irish classic The Auld Triangle.