Kit Harington’s Brother Dropped An Epic ‘Game Of Thrones’ Reference At His Wedding To Rose Leslie!

Kit Harington still can’t escape the iconic quote, “You know nothing, Jon Snow!” The “Game of Thrones” actor made an appearance on “The Tonight Show Starring Jimmy Fallon” on Thursday where he revealed details about his wedding to former co-star Rose Leslie and the special moment with Ygritte’s famous line!