I think you should've work on her body a bit more - I can see traces of a brush, should've smoothen them in some places. The pic itself is indeed very good.
She looks beautiful! value and lighting look great. The arms and hands however feel a little awkward especially the right arm, could be the foreshortening. but also just the angle throws me off a bit. But besides that its looking sweet!
I love it! She looks amazing! Masterful shading and lighting! Great work please keep it up!
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