Because of its unbelievably small measure, many are questioning if Valeria Lukyanova's waist is real, or the result of a gruesome plastic surgery procedure.

Like many of her features that are in question, human Doll Valeria Lukyanova, faces similar doubts about the realness of her waist, which she claims she gets from a very strict diet. The 21-year-old internet sensation says that her waist is tiny and shapely because she only eats blended fruits and vegetables, following a strict raw food diet.

Valeria Lukyanova's Tiny Waist (source: YouTube)

In a TV show guesting where she appeared alongside her mother, Valeria proudly states that she is "all natural" and that her looks are achieved through finely-detailed make-up procedures. But some of her followers find this statement absolutely false and untrue.

"You can't have a waist that small not only because of the size of her hips but also because of her diameter under her breasts, which is her ribs. Her upper ribs don't coincide with her lower ribs which means she has gotten 2, if not 4(all of her "floating"), ribs removed. Some people will even get 6 removed (3 on either side), it depends on the surgeon." pointed one YouTube commenter. Having ribs surgically removed is popular among sexy stars and celebrities to give the impression of a deeper hourglass figure.

Because Valeria is young, many plastic surgeons would think twice performing procedures on her, simply because her features have not reached maturity yet.

"Valeria is also only 21, so certain milestones in growth and physical maturity ought to be considered before plastic surgery is performed. ASPS cautions patients to keep in mind that plastic surgery is real surgery with real risks, just as with any operation, so the decision should not be taken lightly." said Dr. Malcolm Roth, president of the American Society of Plastic Surgeons.

In contrary, it is believed that Valeria had her breasts surgically enhanced, as seen on a photo taken in 2007, compared to what she looks like now.

What do you think, did Valeria had her floating ribs removed or is her diet making it look that way?

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Human Doll Valeria Lukyanova Ends Friendship with Anastasiya Shpagina Over Interview [PHOTOS]