No, no, that's not the point. The point is that in every room, the lights are placed in different places. This in tandem with her position in the room results in the light shining on different areas of her body. In the first two pictures, it's obvious that there is light everywhere around her, whereas in the latest picture, the source of the light looks to be right above her grand piano, thus, with her head angled in a way where her chin is tucked in, the upper part of the head is the one that is exposed to the light, resulting in shadows forming under her cheekbones.
As for the body colour, who's to say that they're not using different lightbulbs for each light, right? Lightbulbs can differ in tone, power required etc. Nothing is constant about light, thus, in my opinion, everything is about lighting. Character looks dark? Light source is behind the character. Character looks bright? Right under the light or facing it. It's more realistic that way in my opinion.
. different lighting, different shadow, facial expression etc. I'm not saying she not tweaked here and there, but she is far from dramatically different. overall Jill face did not worked out for the best. sometimes she is incredibly beautiful other times she is strange like an alien, but may be this imperfection is her true beauty
