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X Factor's Nicole Scherzinger reveals changes to show

30 August 2013 Last updated at 11:15 BST

X Factor judge Nicole Scherzinger has revealed some of the format changes to this year's ITV talent contest.

The 35-year-old was talking at the launch of the show which starts on Saturday.

She is joined by judges Gary Barlow, Sharon Osbourne and Louis Walsh.

Other changes include contestants performing in front of the judges in a room, before performing with the judges and a 4,000-strong audience in an arena.

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