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22 November 2011, 10:47 | Updated: 22 November 2011, 10:53
The N-Dubz star has no plans to debut her solo material on this year's programme.
Tulisa Contostavlos has ruled our performing on this year's The X Factor.
The N-Dubz star, who is a judge on the show, is due to release her solo album in the new year.
But Tulisa said she had no plans to preview it on the programme unlike The Xtra Factor's Olly Murs, who is due to perform on this weekend's show.
"I won't be singing on the show this year," she told the Daily Star. "I'm happy to concentrate on the solo stuff when the show has finished so I can put 100% into it."
Tulisa's fellow judge Kelly Rowland is reported to be performing on The X Factor semi-final.
Meanwhile, Tulisa revealed earlier this week that her debut solo single was inspired by Ibiza dance music.
The X Factor judge could also be facing an investigation over her famous arm gesture at the start of each episode of the programme.