An ultra-high-definition portrait, strictly based on the facial features and likeness of Billie Eilish from the reference image(s), ensuring consistent character identity. She possesses a voluptuous, curvaceous figure. The shot is framed from a rear-side angle to showcase her back.
**Camera & Composition:** A medium close-up shot using an 85mm prime lens. She is looking back over her shoulder towards the camera, head tilted slightly. Shallow depth of field (f/1.8) with a creamy bokeh background, focusing on her eyes and the details of her back.
**Lighting & Mood:** Ethereal and sensual high-fashion aesthetic. Soft, directional studio lighting highlights the sheen of the fabric and the curve of her back. Warm rim lighting outlines her silhouette and hair. Muted, luxurious color palette.
**Subject Details:** Serene yet alluring expression. Hyper-realistic skin texture on her face and back. Her hair is swept up loosely to reveal her neck and back, with wispy strands escaping, creating a windswept effect.
**Wardrobe:** She is dressed in a sleek, floor-length evening gown made of liquid-like silk satin that clings to her body, emphasizing her curves. The dress features a breathtakingly low, open-back design with delicate crisscross straps, oozing elegance and sex appeal.
**Technical Specs:** 8k UHD resolution, professional color grading, subtle film grain, ray-tracing rendering. Quality tags: Masterpiece, Photorealistic, Vogue editorial style, Intricate details.
一幅超高清肖像，严格基于参考图像中比莉·艾利什（Billie Eilish）的面部特征和肖像，确保角色身份一致。她拥有丰满、曲线优美的身材。镜头从侧后角度取景以展示她的背部。
**相机与构图：** 使用 85mm 定焦镜头拍摄的中特写镜头。她回头越过肩膀看向镜头，头部微微倾斜。浅景深（f/1.8），背景为奶油般的焦外虚化，聚焦于她的眼睛和背部细节。
**光影与氛围：** 空灵且感性高级时尚美学。柔和的定向摄影棚灯光突显了面料的光泽和她背部的曲线。温暖的轮廓光勾勒出她的剪影和头发。柔和、奢华的色调。
**主体细节：** 宁静而诱人的表情。面部和背部的超写实皮肤纹理。她的头发随意挽起，露出脖颈和背部，几缕碎发飘散，营造出一种风吹过的效果。
**服装：** 她身穿一件线条流畅的及地晚礼服，由宛如液体的丝绸缎面制成，紧贴她的身体，突显她的曲线。这件礼服拥有令人惊叹的低开露背设计，带有精致的交叉肩带，洋溢着优雅与性感。
**技术规格：** 8k UHD 分辨率，专业调色，细微的胶片颗粒，光线追踪渲染。质量标签：杰作，照片级真实感，Vogue 编辑风格，错综复杂的细节。
