Harry Styles was in the boy band One Direction. He first became famous as a member of One Direction after auditioning for the UK talent show “The X Factor” in 2010, where he was grouped with Niall Horan, Liam Payne, Louis Tomlinson, and Zayn Malik. One Direction went on to become one of the best‑selling boy bands of all time before going on hiatus in 2016, after which Harry launched his solo career.