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X Factor judge Tulisa is said to be angering production staff on the TV talent show with her personal habits and party-loving friends.
Bosses on the TV talent show are said to be annoyed with the 'Young' star smoking and drinking in her dressing room, with what tabloids are describing as 'chavvy' friends.
"She's smoking in her dressing room in the breaks and it's full of her chavvy pals drinking from the minibar," says a source to The Sun newspaper.
"When they won't leave it means security staff are stuck there waiting to lock up."
Tulisa scrubs up nicely and poses with her three contestants
Bad behaviour from X Factor stars this year is nothing new - with contestant Rylan Clark grabbing headlines daily with his off-screen antics.
The flamboyant Essex singer was earlier this week booted out of posh London hotel The Corinthia along with partner-in-crime Lucy Spraggan after late night drinking sessions got out of hand. The pair were kicked out for a week - and put up in a low-budget location away from their talent show co-stars.
"Oh God, the hotel were not happy with that kind of press," Clark told Heatworld earlier this week. "I’m holed up in a hotel in Wembley for five days. I’ve got to behave myself.
"I can’t believe it. I was so drunk, but I said I’d do it and I f**king did it."
Clark is also said to have struck up an unlikely friendship with Lord Of The Rings star Ian McKellan after the pair met at this week's Attitude Awards.
Photos: X Factor fix? All the best rumours from this year's series
