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12 November 2012, 10:50 | Updated: 12 November 2012, 10:55
The girl group return to the talent show a year after winning to perform their brand new single.
Little Mix returned to The X Factor last night (11th November) to perform new single 'DNA'.
The group, who won the talent show last year, delivered an energetic rendition of the track alongside a host of backing dancers.
Jesy Nelson admitted that the group were "so nervous" about their return to the show.
"It's just been the best year ever, we've had so much fun. We love every minute of it and we just want to say thank you to the public for making us the winners last year," Jade Thirlwall added.
The X Factor judge Tulisa Contostavlos, who mentored the girl group on the programme, said she was "so proud" of how far they had come.
Little Mix perform new song 'DNA' during their return to The X Factor:
Little Mix's new single is taken from their album of the same name 'DNA', which is released this month.
Watch Little Mix perform 'DNA' on The X Factor below:
Little Mix are among the performers due to appear at this year's Jingle Bell Ball, which takes place over two nights at the O2 Arena in London this December.
The girl group will perform on the Saturday of the event.