This prompt creates the fitting-room mirror selfie, with a generic fictional person trying on your piece and checking the fit, the try-on haul format that sells clothing on TikTok and Reels. It works in NanoBanana, in Gemini and in ChatGPT.
1) Send the photo of your clothing item along with the JSON prompt in the same message.
2) Keep "preserve_outfit" so the piece comes out exactly as you sent it.
3) Adjust the setting in "scene": a store fitting room with a curtain, a bench and a mirror.
4) Choose the framing in "camera" between full body and 3/4.
5) Generate variations and pick the one where the fit of the piece reads most clearly.
Tip: the rear camera mirror selfie is deliberate — it is what makes the image look like a customer's post rather than a catalogue shot.
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