The first set of hopefuls audition in front of the judges hoping to impress and make it through to the next stage of the competition. Geri Halliwell is a guest judge on the show as the first set of auditions come from Glasgow. 41 year old Stephen ?Disco Inferno' Hunter manages to impress the judges and becomes the first person through to boot camp. Diva Features and others fail to impress the judges though and are sent home. Gamuchirai Nhengu manages to impress all the judges though and sails through to boot camp. Peter and Caroline, aka G and S fail to make it though but after Caroline returns as a solo performer she makes it though to the next stage of the competition. Others to impress and make it through when the auditions move onto London include Katie Waissel and Shirlina Johnson. Jahm are not so lucky though and Simon says they are the worse group to have ever auditioned for the show.

This week's guest judge is Katy Perry. The auditions start in Dublin where group Temple Fire fail to impress the judges. After more dreadful auditions Stephen Concannon and Sadbh O'Donnell manage to make it through after impressing all the judges except Simon. When 18 year old Rebecca Creighton performs though she manages to impress all the judges and sales through to the next stage of the competition. 50 year old Mary Byrne also manages to impress both the judges and audience and makes it through to the next stage of the competition. The judges are then subjected to more awful auditions when the auditions return to London. Boy band Reason manage to impress the judges though with their version of one of Cheryl's songs and make it through. Anastasia Baker who made it through to the judges house's two years ago returns to give it another shot. Simon isn't impressed by her though and asks her to sing another song. After performing again all the judges decide to put her through.

The auditions begin in London where several sets of twins make it through to boot camp. When Samir and Mehi who are twin brothers from France perform though they fail to impress Simon but Cheryl and Louis decide to put them through. Storm Lee manages to impress the judges with his voice but Simon tells him if he wants to be taken seriously he should use his real name. Simon isn't impressed with the first song he performs and asks him to perform another without all the gimmicks. Even though Simon despite his misgivings decides to put him through. Others to impress in London include Ruth Anne St Luce and John Adeleye. This week's guest judge is Natalie Imbruglia and she joins the team when the auditions move onto Birmingham. Liam Payne who at just 14 made it through to the judges' house two years ago returns hoping to make it to the finals this time around. Pattie Eleode is not so successful though when she fails to impress the judges. Cher Lloyd manages to impress though and sails through to boot camp. Others to impress in Birmingham include Kerri Arindel, Justin Vanderhyde and Treyc Cohen who made it through to to the judges houses last year. Abbey Johnstone and Lisa Parker have a major falling out after Simon tells them that their performance was the worst audition in history.

The next set of hopefuls audition in front of the judges hoping to impress and make it through to the next stage of the competition. This week's guest judge is Pixie Lott when the auditions hit Cardiff. First up is 21 year old Kash who fails to impress the judges with his audition. After more dreadful auditions 55 year old Rob Burn manages to make it through. Next up is 16 year old Tom Richards, who leaves the judges torn in their decision whether he should make it through. After performing a second song Simon is not impressed. The judges remain split in their decision and Pixie ends up having the final say and decides not to put him through. Louis and the audience are able to get her to change her mind and Tom makes it through. Katie Smith, Lauren Francis and Lee Vaughan manage to impress all the judges and sail through to boot camp. The auditions then return to London where girl group Bun 'nd Cheese fail to impress the judges. Next up is 21 year old Italian Nicolo who manages to impress the judges for being different. Boyband FYD manage to impress as do Raquel Thomas, and Jo Beetlestone. Next up is Paije Richardson who manages to impress both Louis and the audience but not Cheryl and Simon and fails to make it through. Louis tries to convince the others to give him a second chance later in the day performing a different song. After the judges agree, Paije manages to impress and makes it through.

This week's guest judge is Nicole Scherzinger as the auditions come from Manchester. First to audition is 44-year-old Rachel Chu who fails to impress the judges. Aiden Grimshaw fairs much better though and manages to sail through to the next stage of the competition. Others to impress include The Huhas, Olelade Bahdmus and John Wilding. Next up to perform in front of the judges is 69-year-old Hazel Jackson with her rendition of Simply The Best. She manages to impress Nicole but not the other judges and fails to make it through. Yuli Minguel manages to impress all the judges though with her voice and makes it through to boot camp. Chloe Victoria has the judges split in their decision but still manages to make it through much to Louis' shock. Young mother of two, Rebecca Ferguson manages to impress all three judges with her voice and makes it through.

The final set of hopefuls audition in front of the judges hoping to impress and make it through to the next stage of the competition. The auditions come from Manchester once again. First up is Damien Devine who fails to impress the judges with his vocal performance of Poker Face. After more dreadful auditions thing improve when Tobias Sumpton performs in front of the judges. Tobias manages to make it through to boot camp. Ramena Fahari, Chrissie Pitt, Karl Brown and Charlene Dawson also manage to impress all the judges and make it through. Next up is 16 year old Harry Styles who manages to impress both Nicole and Simon but not Louis. Simon isn't happy with Louis. Louis' mood doesn't improve when he says no to more auditionees. Diva Fever are next to perform but Simon isn't impressed with their song choice. Their second song goes down much better and they manage to get Nicole dancing as well and gain a place at boot camp. Next up is 28 year old club singer Richard Thomas who is devastated after he fails to make it through. Last up in Marlon McKenzie who fairs much better and gains the last place at boot camp.

The first of this weekend's bootcamp double bill, as the cream of the crop from the nationwide auditions head to London. Over 200 acts will be tested to the limit at Wembley Arena in the biggest bootcamp ever. They will face choreography, vocal coaching and styling sessions as they try to stand out from the crowd. Those that make it through the first challenges will get to perform centre stage in front of Simon Cowell, Louis Walsh and guest judge and Pussycat Doll Nicole Scherzinger. Host Dermot O'Leary will be there at every step of the way as we find out who makes it through and who heads home.

The remaining hopefuls have one last to impress before the judges decide who will make it through to the judges houses stage of the competition. The judges decide to change the over 25s to over 28s. Eight acts are also sent to the judges housemates this year instead of the usual six. The 32 hopefuls are revealed who have made it through to the judges houses stages of the competition. Four of the rejected girls and five of the rejected boys are then called back and are told that they are going to form two separate groups. The judges learn which section of the competition they will be mentoring.

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The four judges reveal to the eight hopefuls in their section competition if they have made it through to the live finals or not. Dermot is on hand to congratulate those who have made it through and commiserate with those who have missed out.

Dermot returns to present the first of the live finals and reveals there is a twist this year. Each of the judges has to select one act they have rejected at the judges houses stage of the competition and give them a second change as the final twelve becomes the final sixteen. The finalists perform live for the first time. After each act has performed the judges give their verdicts on what they have heard. Most of the acts manage to give a good first performance. At the end of the show the phone lines are opened for tonight's public vote and Dermot announces that two acts will be eliminated from the competition tomorrow.

Dermot returns with the results of the first public vote of the series. All 16 of the finalists perform together live on stage. Usher performs live on the show. Last year's winner Joe McElderry also returns to perform his new single live on the show. Dermot then reveals which acts are safe and have made it through to next week. Katie, Nicolo and F.Y.D learn they are in the bottom three. Dermot then reveals that Nicolo has received the lowest amount of public votes and is out of the competition. F.Y.D and Katie then perform once again in the final showdown. The judges then decide to send F.Y.D home leaving Katie safe for another week.

The remaining finalists perform live for the second time with the theme being Heroes. After each act has performed the judges give their verdicts on what they have heard. Most of the acts manage to impress the judges once again with Rebecca, Matt and Mary really impressing. At the end of the show the phone lines are opened for tonight's public vote.

Dermot returns with the results of the second public vote of the series and once again there will be a double elimination this week. All of the remaining finalists perform together live on stage. Diana Vickers and Katy Perry both perform live on stage. Dermot then reveals which acts are safe and have made it through to next week. Diva Fever, Belle Aime and Storm learn that they are in the bottom three this week. Storm then learns he has received the lowest amount of votes and has to leave the competition. Diva Fever and Belle Aime then perform once again before the judges decide to send home Diva Fever.

The remaining finalists perform live for the third time. This week's theme is Guilty Pleasures. After each act has performed the judges give their verdicts on what they have heard. Matt, One Direction, Aidan and Katie really manage to impress the judges this week. At the end of the show the phone lines are opened for tonight's public vote.

Dermot returns with the results of the third public vote of the series. The finalists all perform together on stage. Both Michael Buble and Cheryl Cole perform live on stage. Dermot reveals that Treyc and John are in the bottom two this week and that they will have to perform again in the final showdown. The judges then decide to send home John leaving Treyc safe for another week.

The remaining finalists perform live for the fourth time with show having a Halloween theme this week. After each act has performed the judges give their verdicts on what they have heard. Matt and One Dierection manage to impress all the judges but it is Cher who steals the show this week and gains the best comments from all of the judges. At the end of the show the phone lines are opened for tonight's public vote.

Dermot returns with the results of the fourth public vote of the series. Bon Jovi performs live on stage with the X Factor finalists. Jamiroquai and Rihanna then both perform live on stage. Dermot then reveals that Bele Amie and Katie are in the bottom two and that they will have to perform again in the final showdown. The judges then are unable to make a decision and it goes to deadlock. Dermot then reveals that Belle Amie are the act going home as they have the least amount of public votes.

The battle for the crown continues as the eight remaining acts step onto Britain's biggest stage for the fifth live show. Each of the performers will be hoping to impress the voting audience at home as well as judges Simon Cowell, Cheryl Cole, Dannii Minogue and Louis Walsh. Host Dermot O'Leary will be on hand to deal with the war of words as the judges give their views on each performance and defend their singers. Next time, one act will be leaving the competition.

Dermot returns with the results of the fifth public vote of the series. The finalists perform together live on stage. Shayne Ward and Kylie Minogue perform live on stage. Katie and Treyc learn that they are in the bottom two this week and they have to perform again in the final showdown. The judges then decide to send Treyc home after Cheryl refuses to vote leaving Katie safe for another week.

The remaining finalists perform live for the sixth time. This week's theme is Elton John songs. After each act has performed the judges give their verdicts on what they have heard. This week's outstanding performances come from One Direction and Rebecca who manage to impress all the judges. Once again Wagner fails to impress all the judges except Louis with his performance. At the end of the show the phone lines are opened for tonight's public vote.

Dermot returns with the results of the sixth public vote of the series. The finalists perform together live on stage. JLS, Westlife and Take That perform live on stage. Aiden and Katie learn that they are in the bottom two this week and will have to perform again in the final showdown. The judges then cant agree who should leave and it goes to deadlock. Dermot then announces that Aiden has the least amount of public votes and will be going home tonight.

here are only six acts remaining in the competition, and today they must sing live again in a battle to win the biggest prize in pop. Also fighting it out are judges Simon Cowell, Cheryl Cole, Dannii Minogue and Louis Walsh, who are each mentoring one category of singers. Host Dermot O'Leary will be on hand to deal with all the tears and triumphs.

Dermot returns with the results of the seventh public vote of the series. Olly Murs performs his new single live on stage. All twelve finalists perform live on stage this year's charity single. Dermot reveals that Cher and Paije are in the bottom two this week. After each act has performed again in the sing off the judges decide to save Cher leaving Paije eliminated from the competition.

The remaining finalists perform live for the eighth time. This week's theme is rock songs and everyone has to perform twice. After each act has performed the judges give their verdicts on what they have heard. Most of the competitors put in good performances with One Direction and Matt really standing out. At the end of the show the phone lines are opened for tonight's public vote.

Dermot returns with the results of the eighth public vote of the series which is a double elimination this week. The Wanted, Justin Bieber and Nicole Scherzinger perform live on stage. Dermot reveals that Katie, Mary and Wagner are in the bottom three this week. Dermot then reveal that Katie has come bottom in the public vote and is out of the competition. Mary and Wagner then perform in the sing off and the judges decide to save Mary leaving Wagner eliminated from the competition.

The remaining five finalists perform live for the ninth time as the competition reaches the semi final stage. Each act has to perform twice with tonight's themes being Club Classics and a Get Me To The Final song. After each act has performed the judges give their verdicts on what they have heard. All of the semi finalists put in a good performance and it is a hard week to call who will be going home. At the end of the show the phone lines are opened for tonight's public vote.

Dermot returns with the results of the ninth public vote of the series. Alexandra Burke performs live on stage her latest single. The cast from the hit series Glee and the Black Eyed Peas also perform. Dermot announces who has made the final leaving Cher and Mary in the bottom two and having to perform again in tonight's final showdown. The judges then decide to save Cher leaving Mary eliminated from the competition.

The four finalists have to perform two times tonight with one of the performances being a duet with a famous name. All of the sixteen finalists perform together on stage the song Flashdance. The judges give their verdicts on what they have heard after each of the acts perform live on stage. Rihanna and Christina Aguilera also perform. At the end of the show the phone lines are frozen and Dermot reveals that Rebecca, One Direction and Matt have made it through to tomorrow's show leaving Cher eliminated from the competition. The phone lines are then reopened.

One Direction, Matt and Rebecca perform live on stage together and are joined by Take That. They the perform once more individually before the phone lines are frozen once more. Some of the acts who failed to make it through the auditions return to perform live on stage together. Dermot announces that Matt and Rebecca have the most amount of votes and that One Direction are eliminated from the competition in third place. Matt and Rebecca then perform once again the song they will release should they win the final. Take That perform live on stage before the phone lines are closed for the last time. Dermot then announces that Matt has been crowned this year's winner. Matt performs the winner's song one last time and is joined on stage by all of the other finalists.