Complete retouching tutorial available at google play store: https://play.google.com/store/apps/details?id=com.photo.retouching.guide...
Canon 5D mark III & Canon EF 85mm f1.2L
Model: Paulina
Post: Lr + PS
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Lovely photograph but I would change the subjects pose so as not to be looking up her dress. Also knees pointing straight into the camera make her legs look short. Rolling her knees to her left or right would sort both of thoses two issues. However the lighting is wonderfull and you have made great use of a tricky location.