The X Factor

Dermot O'Leary hosts as the UK's biggest singing competition returns for its 14th series, with judges Simon Cowell, Sharon Osbourne, Louis Walsh and Nicole Scherzinger.

Dermot O'Leary hosts as the singing competition continues. More singers and groups line up in a bid to win that coveted recording contract, but will they impress the judges?

Which of the acts will have what the judges are looking for during auditions?

More singers and groups line up to perform for the judges, but will they have the right mix of talent and appeal to impress them?

Britain's biggest singing competition continues with more auditions, hosted by Dermot O'Leary. What weird and wonderful performances await judges Simon, Sharon, Louis and Nicole?

Dermot O'Leary hosts as the singing competition continues with more auditions. What weird and wonderful performances still await judges Simon, Sharon, Louis and Nicole this year?

Which of this week's performers will make it through to boot camp?

Britain's biggest singing competition continues as this year's auditions come to an end. Whose talents will buy them a place at next weekend's boot camp stage?

The competition reaches the boot camp stage, with the judges weeding out the less-talented candidates before next week's daunting arena auditions.

Talented singers from across England, Wales, Scotland and Northern Ireland compete to become the next big singing sensation.

The boot camp stage of the singing competition comes to a close. Which acts can impress both the judges and a live audience at Wembley Arena?

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

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

The singing competition reaches its next exciting stage as the remaining acts jet off for a taste of luxury at the Judges' Houses. Who will make it through to the live shows?

Dermot O'Leary hosts as the singing competition's exciting Judges' Houses stage continues. Which acts will make it to the live shows and who faces a disappointing journey home?

The live rounds start and this year's four wildcards are revealed. Liam Payne performs his new single `Bedroom Floor' live.

Dermot O'Leary hosts; the acts perform.

Dermot O'Leary hosts; the acts perform.

Dermot O'Leary hosts as the live shows continue.

Dermot O'Leary hosts as the live shows continue.

Dermot O'Leary hosts as the live shows continue.

Dermot O'Leary hosts as the live shows continue.

Dermot O'Leary hosts as the live shows continue.

Dermot O'Leary hosts as the live shows continue.

Dermot O'Leary hosts as the live shows continue.

Dermot O'Leary hosts as the live shows continue.

Dermot O'Leary hosts as the champion is crowned.