The fifteenth and final series of the British television music competition The X Factor began airing on ITV on 1 September 2018, presented by Dermot O'Leary. Simon Cowell returned alongside new judges Louis Tomlinson, Ayda Field (credited as Ayda Williams), and Robbie Williams who replace departing judges Nicole Scherzinger, Sharon Osbourne, and Louis Walsh. Nile Rodgers filled in for Williams while he was away on his tour for weeks 3–5 of the live shows. On 2 December, Jamaican-born singer Dalton Harris won the series making him the first and only foreign contender to win the UK show. This was the only series that featured Tomlinson, Field, and Williams as judges.