At their peak, One Direction were considered the biggest boy band in the world. Today, they're still regarded as one of the most successful boy bands in history, with the likes of the Backstreet Boys ...

One Direction delighted fans with hit after hit. Even after members Harry Styles, Liam Payne, Louis Tomlinson, Niall Horan, and Zayn Malik disbanded, they continued on that trajectory with their solo ...