by Ellen DurneyBuzzFeedBuzzFeed StaffHi, I'm Ellen! As any OG fan will know, Harry Styles has been through a number of memorable hair eras. Matt Winkelmeyer / Getty Images Firstly, there were his classic One Direction/X Factor curls, which inspired teenage boys across the UK to grow out their hair. (Believe me, I was there.) Mike Marsland / Getty Images Then there were the true long hair years, around 2015.