https://www.modelmayhem.com/portfolio/pic/37641036

what works?  what doesn't?

Please answer both questions!!!!

The painted over bikini and overly-smoothed skin doesn't look great to me.

Works
The hair background and overall idea with something bright on a darkening sunset.

Needs improvement
The bikini its brightness steals all attention in a bad way. And the shadows on the models sides makes her look overly skinny.

What works?
Like the background and that it is out of focus
You filled the frame with the subject
Good crop of legs above her knees

What doesn’t work?
Horizon does not look straight across, right side is also low
If the sun is behind her why are there two sets of shadows
Her finger nails could use polish
Neck appears tense

Happy New Year