Louisa Johnson (born 11 January 1998) is an English singer from Thurrock, Essex. She won the twelfth UK series of The X Factor in 2015, becoming the programme's youngest winner at age 17. Simon Cowell described her as the best singer he had ever seen on the show.
She was featured on Clean Bandit's hit single "Tears." Her debut album, initially scheduled for release on 18 November 2016, was postponed to 2017. Its lead single, "So Good," was released on 28 October 2016.
United Kingdom