WATCH: Ed Sheeran kisses guy on live episode of Undateable

In the original, Ed himself eventually returns and slaps Justin. But when it came time to film the West Coast version, Ed had other ideas …

Ed Sheeran shocked the cast and crew of the American sitcom Undateable on Tuesday night, by planting a kiss on actor Brent Morin’s lips on live TV.

The show aired two live episodes, one for the east coast and one for the west coast.