AI Prompt for Photorealistic Billie Eilish Gym Selfie

"{   "prompt_configuration": {     "type": "Ultra Photorealistic Portrait",     "style": "Cinematic Reality",     "resolution": "8K"   },   "subject": {     "demographics": "{argument name="subject" default="Billie Eilish"}, athletic build, fit physique, pale complexion",     "hair": "Dark brown to black hair, pulled back into a messy high ponytail, loose sweaty strands framing the face",     "skin_texture": "Hyper-realistic skin details, intense post-workout sheen, glistening with heavy sweat, visible pores, slight flush on cheeks",     "facial_expression": "Exhaling slightly, mouth slightly open in a 'phew' expression, focused gaze, tired but accomplished"   },   "apparel": {     "outfit_style": "Monochromatic pastel pink gym set, athleisure",     "top": "Tight cropped pink camisole/tank top with spaghetti straps, rolled up slightly",     "bottoms": "Loose-fitting pink sweatpants with visible drawstring and elastic waistband, soft cotton texture",     "accessories": "Thin silver necklace"   },   "pose_and_action": {     "perspective": "Three-quarter side profile view facing left",     "action": "Body checking in a gym mirror, left hand pressing against the mirror surface, right hand lifting the hem of the shirt to reveal defined abdominal muscles (six-pack)",     "reflection": "Partial reflection of the arm visible in the mirror on the left edge"   },   "environment": {     "location": "Commercial gym interior",     "background_elements": "Blurred gym equipment, weight racks, cable machines, dumbbells, other gym-goers faintly visible in the distance",     "flooring": "Black speckled rubber gym flooring"   },   "lighting_and_atmosphere": {     "lighting_type": "Overhead artificial gym lighting",     "quality": "Warm tungsten tones, creating strong specular highlights on the sweaty skin and hair",     "mood": "Intense, raw, fitness-focused, candid moment"   },   "technical_specifications": {     "camera": "DSLR, 85mm portrait lens",     "aperture": "f/2.8",     "focus": "Sharp focus on subject's face and abs, creamy bokeh background",     "render_details": "Unreal Engine 5, Octane Render, ray tracing, subsurface scattering on skin, volumetric lighting"   } }"