July 2014 The costars sparked romance rumours yet again during their appearance at Comic-Con. Not only did they look quite chummy during the Game of Thrones panel, but they were also spotted exiting LAX together. In August, a fan posted a photo of what appeared to be Harington and Leslie holding hands at Heathrow Airport in London. That same month, an Us Weekly source confirmed that they were officially back together. Image Source: Getty / Kevin Winter