An ultra-detailed photorealistic portrait of an elegant 1920s flapper woman in a luxurious ballroom, medium close-up, three-quarter pose, soft hand movements as if in dance, warm golden diffused chandelier light, shallow depth of field with soft bokeh and softly blurred well-dressed guests in the background. Model: woman wearing a bejeweled feather headband, long dangling rhinestone earrings, a delicate pearl necklace, shimmering makeup with smoky eyeshadow and nude lipstick. Costume: an exquisite Art Deco gown embroidered with beads and sequins, a V-neckline, shimmering metallic details that reflect highlights, intricate geometric beadwork. Mood: glamorous, nostalgic, cinematic, luxurious. Cinematography: 85mm portrait lens, shallow f/1.8 depth of field, high resolution, fine film grain, subtle glare from chandeliers, warm color grading, soft rim lighting, high detail in skin texture and fabric sheen, realistic reflections and highlights.