I'm guessing the person who did the work was trying to hint at someone with the unobtainable. It appears a case of art imitating art instead of imitating nature.
Elongating some body features and truncating others while giving a cold, appraising, even aloof stare as does the model, first sauntered to fame a little while after Leo's work at the top of this thread. With Mona, there is a question of her mood. Not so much with the model above. The question above, i suppose about appealing to jealousy. The model is what the viewer can never be. But the viewer can get the pants, at least.
But in it's way it is captivating. Showing that playing to the perceptions of the viewer makes for compelling work
Unrelated: Does anyone know what Sofiaís favorite kind of spaghetti is?