If you've ever wondered what it's like to have a celebrity show up at your wedding, look ** further than This video. A lucky Irish couple got the surprise of a lifetime when Amy Schumer and Judd Apatow crashed their celebration in Dublin, Ireland, on Friday. The comedian and director spotted the newly-weds when they visited Grogans pub during the promotional tour for their movie Trainwreck. Soon Amy and Judd teamed up with singer Glen Hansard and serenaded the couple with an Epic musical performance. One of the guests couldn't help but tweet about it, sharing a photo of Amy and Judd hanging out with the bride and groom.