Ethereal Cinematic Fashion Portrait Prompt

A detailed prompt for Gemini Nano Banana Pro to generate a cinematic vertical fashion editorial portrait (9:16) of a woman with long, floating black hair, wearing an ethereal haute couture gown. The image features a transparent crystal sphere containing a miniature luminous universe, set against a soft cosmic gradient background with ultra-realistic, dreamy lighting. Via YouMind OpenLab prompt library (MIT).