Member of the popular British-Irish boy band One Direction, who won three Teen Choice Awards in 2012 and then eight more in 2014. He was originally joined in One Direction by Harry Styles, Liam Payne, Zayn Malik and Niall Horan. In 2018, he became a judge on The X Factor (UK), the same show through which One Direction originally formed.
He studied at a Barnsley acting school, failed his classes at Hayfield School, and spent a brief period working for Toys R Us.
He appeared in the drama If I Had You, as well as the TV series Fat Friends and BBC's TV drama Waterloo Road.
He is the son of Johannah Poulston and Troy Austin. He has four half sisters named Lottie, Daisy, Phoebe and Felicite. He began dating Eleanor Calder in 2011. He and Eleanor split for about two years before getting back together in 2017. In January 2016, he became a father with the birth of his son Freddie to Briana Jungwirth.
His band One Direction was signed to Simon Cowell's record label in 2010.