Which One is a Human?

Well, I spent all day today looking at ball jointed doll pictures. I don't know why, but these things are like crack to me. Embarrassing, but now you know.

As a fun exercise, which one of the following pictures is of a human?

Think you figured it out? Are you sure? Scroll down for the results.

This is the Chinese Human Doll.

This is Valeria Lukyanova

This is Anastasiya Shpagina.

This is Venus Palermo.