Harry Styles has been the object of teen-girl affection ever since he broke onto the scene as a slightly shy 16-year-old during the 2010 season of The X Factor , but the over-18 crowd didn't really take notice of him until he started dating Taylor Swift in 2012 . And since One Direction is taking a year-long hiatus at the end of their current tour, hearts will be broken but harry is so lovable the struggles of being an adult One Direction fangirl wont end.