On Thursday, the As It Was singer joined James Corden as a guest on the final episode of The Late Late Show. During a segment of Spill Your Guts or Eat Your Guts game, Harry and James discussed the possibility of a One Direction reunion which had been rumoured for the talk show host's final episode. While it is not currently in the works, Harry stated he would never say no to the idea and that he would be open to it if the timing was right."Yes or no, will there be a One Direction reunion? Will it ever happen?"…