young, (((16 old))), create a photorealistic portrait of this person. But she looks younger than her age. Adjust appearance to reflect youth while keeping the person recognizable, Skin, no wrinkles, subtle natural imperfections. Face shape, softer jawline, slightly fuller cheeks, gentle contours. Eyes, slightly larger and brighter, natural sparkle. Eyebrows & lips, soft, natural, very youthful. Hair, realistic texture, color, and length from references. Body & posture, proportional, slender or athletic build, seated on a chair, relaxed and natural pose. Clothing, semi-transparent evening dress with deep v-neckline black colors, minimal accessories. Composition & framing, waist-up to knees, sitting on chair, slight 3/4 angle, realistic perspective. Expression, slight smile, energetic and youthful demeanor. Lighting & details, cinematic lighting, soft shadows, realistic skin and hair texture. seated naturally on a chair, visible from waist to knees.