The search for a music superstar gets underway as The X Factor returns. Joining music mogul Simon Cowell on the panel are Robbie Williams, Ayda Williams and Louis Tomlinson.

The auditions continue with round 2.

The search for a new music superstar continues with the third of the Auditions shows.

The search for a new music superstar heats up as the auditions continue at the SSE Arena.

The search for a new music superstar heats up as the auditions continue. Joining music mogul Simon Cowell as judges are Robbie Williams, Ayda Williams and Louis Tomlinson.

The search for a new music superstar heats up as the auditions continue.

As the Six Chair Challenge returns, judges Simon Cowell, Louis Tomlinson, Robbie Williams and Ayda Williams must decide on the final six acts in each category to take through to Judges' Houses.

In the second of three special Six Chair Challenge episodes, the stakes are high as the acts perform individually for a place at the Judges' House.

Dermot O'Leary hosts the third and final Six Chair Challenge episode, in which the acts perform individually before the judges choose who will be selected for the next stage.

The live shows draw tantalizingly closer for the remaining 24 X Factor acts as they jet off to Judges' Houses in a bid to land a coveted place in the live shows.

The live shows draw tantalizingly closer for the remaining 24 X Factor acts, as they jet off to Judges' Houses in a bid to land a coveted place in the live shows.

After the first live show performances, who has impressed enough to remain in the competition, and which act has reached the end of their journey?

The X Factor live shows continue with each of the remaining contestants taking to the stage in the hope of impressing the audience at home.

The X Factor live shows continue with the Sunday night results show where an outstanding line-up of guest stars perform.

The X Factor live shows continue with the Sunday night results show in which an outstanding line-up of guest stars perform.

The X Factor live shows continue with each of the remaining contestants taking to the stage in the hope of impressing the audience at home and the panel of judges.

The remaining contestants discover who has done enough to earn their place in the final, and who faces the heartbreak of being sent home at the final hurdle.

It's The X Factor Final, and the remaining contestants take to the stage in the hope of impressing the audience at home and the panel of judges one last time.

The final results show features a chart-topping act performing, before the winner of this year's competition is announced.