Fashion has limitless possibilities, Fashion Photography actually has no rules, but if you want to imitate classical art style, here are few suggestions may suitable for you.
Step 1: 1. Looking for Inspiration
The first step is to look for inspiration. When you are making fashion photos, photos should focus on the clothing or accessories on the model that you want to emphasize. you must have a well understanding on the subject which you want to emphasize, then you can use it as your inspiration of composition. When you have the ideal of how to composite this picture, then find some classic art works that you want to re-render. Re-render the classic art works is not means you have to be exactly the same. You can choose some main elements use in your photos.