A Ukrainian woman who has become known as "Human Barbie" has spoken out in a new interview denying that she has ever undergone plastic surgery to change her looks.

Speaking to showbiz and lifestyle website TooFab Valeria Lukyanova, 30, says she doesn't think she looks anything like the doll she is most famous for resembling, but rather, just "a classy girl."

And she thinks her body has barely changed since she was 14. "We all have changed since our childhood from the age of 14 years I have not particularly changed except for my body and hair colour," she told the website.

Fans have accused the DJ and singer of surgery, but she has denied it, asserting that her physique is the result of a healthy diet which includes raw fish and fresh fruit and sees her endure a punishing exercise regimen.

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Asked what the biggest misconception was about her, she said: "That I did a bunch of surgeries to look like a doll and know nothing more about me it is actually completely different and my look is only a side effect of my inner world."

She also said she wouldn't rule out surgery in the future, if she thinks she needs it.

Lukyanova, who came to fame three years ago after images of her tiny waist went viral, does not drink or smoke, and claims she is working towards a state of being which will mean she will be able to survive on no food at all.

She has previously claimed to follow a "breatharian" lifestyle; a cult that believes food - and possibly water - are not necessary for life.