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I gotta chime in about the #2 headshot.
I would say for a really strong head shot, you need to be shooting tighter and including more to camera right of her head. Her chest is distracting, especially that part under her arm where I can see her hair folicles. I shouldn't be seeing that in a head shot. Keep it tighter, include less of her chest.
And, man, she's really caking on the makeup, isn't she??