More unseen footage is shown from the first set of auditions and features chat from those taking part.

More unseen footage is shown from the second set of auditions and features chat from those taking part.

More unseen footage is shown from the third set of auditions and features chat from those taking part.

More unseen footage is shown from the fourth set of auditions and features chat from those taking part.

More unseen footage is shown from the fifth set of auditions and features chat from those taking part.

More unseen footage is shown from the sixth set of auditions and features chat from those taking part.

More unseen footage is shown from the seventh set of auditions and features chat from those taking part.

Caroline is backstage at boot camp to chat to the judges and those taking part.

Caroline continues to be backstage at boot camp to chat to the judges and those taking part.

Caroline is at the judges houses as they put the remaining hopefuls through their paces before they decide who to take through to the live finals.

Caroline chats to those who have made it through to the live finals and offers condolences to those who have just missed out.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

Olly and Caroline chat to the judges and the finalists about how they think tonight's show went.

Caroline and Olly chat to the judges about tonight's result and talk to the eliminated act.

The team takes a look back and selects some of best and worse from the Girls category auditions from the past nine series of the show.

The team takes a look back and selects some of best and worse from the Boys category auditions from the past nine series of the show.

The team takes a look back and selects some of best and worse from the Groups category auditions from the past nine series of the show.

The team takes a look back and selects some of best and worse from the Overs category auditions from the past nine series of the show.

The team takes a look back and selects some of best and worse moments from the judges from the past nine series of the show.

This special episode takes a look back at this year's winner.