The first image was shot with the sun on the models back then 2 minutes later I got Fon to face the sun and I used the flash to give her a rim light. The first image in my eyes represents the true skin color of Fon.
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The second image (my favourite of the two) shows a very warm skin tone coming from the early morning sunrise. Should it stay warm or does the skin tone need to be more natural....... and if fixed how??
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I do very little portrait photography nowadays, although I did quite a lot of it in the 1980's, both for my own interest and as a paying hobby.
We all see photographs in a different way, which to me is one of the most interesting things about photography. This is just my thoughts about the two images.
I much prefer the second image for the following reasons. In the first image the pose looks a little awkward, the highlights on Fon's cheeks and forehead are too bright, the sun takes attention from her face and the background is 'mushy'.
In the second image Fon stands out from the background, her body has a 'S' shape which is nearly always attractive to the eye, her face has, as you say, a much better skin tone and the highlights on her cheeks are not over exposed.
If I was proficient in apps like Photoshop, which I cetainly am not, I would remove the lower horizontal rail and associated vertical ones, then get it printed large and display it.
Another thought, if there are enough megapixels, a tight crop, removing the bright object on her top, would give you a cracking head and shoulders portrait.