best ai prompts for professional portraits

Use the uploaded reference image as the exact face reference. Create a highly realistic portrait of a 17-year-old boy sitting casually on outdoor concrete stairs at night. Keep the face, facial features, hairstyle, and skin tone exactly the same as the reference. He is wearing a dark green full-sleeve sweatshirt with subtle white writing on the sleeve, dark navy blue pants, a black smartwatch, white and blue stylish sneakers. One knee is raised while sitting naturally on the stairs, relaxed confident expression. Stainless-steel railings on both sides, warm vintage street lamp glowing above, dark night background with soft blue city lights and beautiful bokeh. Cinematic nighttime lighting, realistic shadows, shallow depth of field, DSLR photography, natural skin texture, ultra-detailed, Full HD, 8K quality, vertical portrait, no artificial AI look.