Nude picture of reality star Kim Kardashian's derriere has created a lot of uproar. But singer Cheryl Fernandez-Versini doesn't think the picture is real.

'The X Factor' judge expressed her opinion while talking to The Sun newspaper, reports mirror.co.uk.

"I don't think it's real. I'll refrain from judgment because each to their own. But I would never do it. I could never. I could never. I could never," she said.

"I can't even get changed in front of my stylist who I've had for years. Just no," she added.

The 31-year-old, who is married to Jean-Bernard, also opened up about a difficult decision next year - whether to give up 'The X Factor' to start a family or not.

"You couldn't do them both. Next year is going to have to be the time where I reflect on what I've done and think about what I want to do. I'm not ruling it out," she said.