The Aphrodite of Knidos established the canonical to depict the female form in art. And many European cultures have a major fixation on the ancient Greeks being the pinnacle of art, civilisation and culture, so the influence of Praxiteles has persisted for millennia.
The hand barely obscuring the hairless, featureless Barbie crotch has been highly popular in artistic depictions of women.
Sleeping Venus by Giorgione, circa 1510, Gemäldegalerie, Dresden.