One Direction, often shortened to 1D, are an English-Irish pop boy band formed in London in 2010. The group consists of Niall Horan, Harry Styles, Louis Tomlinson, Zayn Malik until his departure in 2015, and Liam Payne, until his death in 2024. They became one of the best-selling boy groups of all time before going on an indefinite hiatus in 2016.