X Factor 2012: Tulisa told off for dying her hair!

Tulisa Contostavlos

X Factor 2012 judge Tulisa has reportedly been given a telling off by bosses for dying her hair.

The N-Dubz star turned up to the show's bootcamp stages last week with a new blonde do, after celebrating her birthday in Ibiza.

But the show's producers aren't happy with the new look, with sources claiming it's caused headaches for the editing team.

"Tulisa's hair change is proving a disaster. She was brunette for the audition phases and it's going to look really weird that she will be blonde for the later shows," a supposed insider told Star magazine this week.

They revealed: "She was asked to dye it back, but refused to."

Tulisa has also been told to act more "professional" when recording the show, having gone out to wild parties after filming.

The 24-year-old hit headlines last month after blowing a whopping £19,000 on her birthday, but it's headlines the show would rather not have.

"Tulisa has been told that she has to rein in her wild partying while they are filming the show," the source claimed. "The X Factor team pride themselves on their professionalism, so she has got to calm down."

[cat c="the x factor"]The X Factor 2012[/cat] is expected to start later this month on ITV1.

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