One direction is a world famous boy band. They got their start on X factor. They came to the X factor as individuals but the judges decided that they are as not as great as they are as a group. So they formed the band. The band consists of Harry Styles, Niall Horan, Louis Tomlinson, Liam Payne. Zayn Malik was also a part until he left the band on 25th March,2015 to start his own solo career. They have done many concerts worldwide. They got very famous at such a young age. Their some of some are What make you beautiful, Steal my girl, Best song ever, Drag me down, Perfect, Story of my life etc. Their albums are Made in the AM, Midnight Memories etc. One direction is also popularly known as 1D. They are the best band I have ever heard to. They are my favourite band.