Real life Barbie doll Valeria Lukyanova says mixed race couples have ruined the traditional concept of beauty.

In an interview with GQ magazine, the 28-year-old Ukrainian internet sensation, who denies undergoing drastic plastic surgery to resemble the American fashion doll, says mixed race people are a "degeneration of beauty".

"For example, a Russian marries an Armenian, they have a kid, a cute girl, but she has her dad's nose," Lukyanova told the magazine. "She goes and files it down a little, and it's all good. Ethnicities are mixing now, so there's degeneration, and it didn't used to be like that.

"Remember how many beautiful women there were in the 1950s and 1960s, without any surgery? And now, thanks to degeneration, we have this," she added.

Lukyanova, who first rose to fame in 2012 after her 'spiritual counselling' videos became a worldwide viral hit, also said she is also opposed to traditional family lifestyles.

"It's unacceptable to me," she explained. "The very idea of children brings out this deep revulsion in me... I'd rather die from torture because the worst thing in the world is to have a family lifestyle.

"What would you keep the children for? So they can get you a glass of water when you're on your deathbed?"

The 24-year-old, who survives on a liquid-only diet, also defended her decision to modify her body, arguing that everybody wants a slim figure and uses make-up on their faces.

Lukyanova has attracted widespread condemnation for her unrelastic proportions but insists her figure is natural and that she only had breast implants.

Valeria Lukyanova's Tiny Waist
Valeria Lukyanova\'s tiny waist Valeriya Lukyanova/Facebook

Lukyanova, who also goes by her spiritural name Amatue, gives lectures on out-of-body travel and uses her appearance to promote her spiritual philosophy.

"If a nun start talking about spirituality, will anyone notice her? No, no one will," she said in an interview with Vice. "But if a beautiful, inspiring young woman starts talking about it, many people will start thinking."

When asked by a Daily Beast reporter whether her husband was human or not, she answered: "I prefer not to talk about that, as I do not want to damage his reputation."