Published Friday, 27 September 2013
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This year, Gary Barlow, Sharon Osbourne, Nicole Scherzinger and Louis Walsh were told their categories before entering the Bootcamp auditions.
The twist means they have a vested interest in who gets through in each category before they decide on which six contestants they will take through to Judges' Houses.
Among the favourites taking to the stage are Sam Bailey, who sings Clown by Emeli Sande, and Tamera Foster who faces the reality of bootcamp with her rendition of Stay by Rihanna.
"If I forget my lines today, then that is it. I'm gone. I'm going home," she says.
Louis said: "It's actually like a whole new show. The viewer is seeing exactly what we're doing as we're doing it. It's very different."
This weekend viewers will see the judges whittle down 100 contestants in each category to just 50.
Members of each category will team up to sing in front of the panel. If their vocals are not good enough, they will be instantly told to go home.
The second stage of Bootcamp takes place at the arena, where each contestant will sing their hearts out in front of an audience of 4,000.
This year, there will be six seats waiting on stage for successful contestants - and it's the job of Judges to fill all the seats for their own category.
If they liked the performance enough, the contestant gets a seat. If all six seats are filled, and the Judges loves another act, they can still put them through - but someone who already has a seat will have to go.
"It's very stressful," admits Louis. "You say to someone you're putting them through to Judges' Houses, and then you might have to take them from that seat and send them home.
"Each person is only as good as their last performance. It's every contestant for themselves."
Tune in to UTV on Saturday at 8.20pm and Sunday at 7.30pm to see who gets a seat and a place at Judges' Houses.
© UTV News