Gary Barlow, Nicole Scherzinger, Tulisa Contostavlos and Louis Walsh will start the search for Britain's next great musical star later this month. Spice Girls Geri Halliwell and Mel B, Anastacia, Rita Ora and Leona Lewis were guest judges during the audition rounds.
The show is currently scheduled to air between 8pm and 9.15pm, between a double bill of Ant & Dec's big-money gameshow Red or Black?
Dermot O'Leary returns to host for his sixth series, while Caroline Flack and Olly Murs will present ITV2 spinoff Xtra Factor for a second year.
It was revealed at the weekend that show bosses are considering a new twist to this year's final, which will include the acts duetting with legends such as Amy Winehouse, Elvis Presley and Michael Jackson via 3D holograms.
Previous winners of the talent show have included Little Mix, Leona Lewis, Alexandra Burke and Matt Cardle.
