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Simon Cowell, Louis Tomlinson, Robbie Williams and Ayda Williams return for an exciting fifteenth season of the UK's biggest singing competition, starting with arena auditions at SSE Wembley Arena; with Dermot O'Leary.
First Air Date : Sep 04, 2004
Last Air date : Dec 02, 2018
Episode : 423 Episode
Season : 15 Season
Runtime: 26:14 minutes
Studio: ITV1
Country: United Kingdom
Crew: