Is X Factor judge Kelly Rowland having trouble with her girls?

It seems all is not well in Kelly Rowland‘s X Factor camp.

The Destiny’s Child star, who’s mentoring the girls on this year’s show, has made it clear she won’t put up with any diva behaviour.

‘I’m not here to deal with brats,’ says Kelly, 30.

‘None of the artists I grew up with, like the Ushers, the Brandys, the TLCs, were brats.’

Kelly‘s outburst comes amid reports of tension with Janet Devlin because the Irish 16-year-old feels her mentor is more interested in her other acts Misha B, 19, and Amelia Lily, 17.

Judge Kelly tried to fix the problems with a girly day of pampering in the spa at London’s Langham Hotel – but Janet was reportedly still left feeling like an outsider.

‘She felt really awkward,’ a source tells the Daily Star.

Janet thinks it’s obvious that Kelly doesn’t really like her.’

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Esme Riley