It's been a couple of days since super couple Taylor Swift and One Direction star Harry Styles went separate ways, and now the real reason to their big break-up is revealed! "They had a fight", a close Taylor insider reveals. The source reveals Harry "said something he shouldn't have.... This breakup is definitely going to be for good". "They are 100 percent over". Harry is said to be devastated over the split, and we can't wait to see who gets the chance to comfort him!