Young woman in ombré ballgown laughing on staircase AI Image Prompt

A photorealistic high-fashion editorial photograph of a young {argument name="ethnicity" default="Asian"} woman with a slim-thick hourglass figure, tall statuesque stature approximately 170cm, well-proportioned with smooth fair skin. She stands on an elegant interior staircase in a precise, dynamic pose: leaning slightly backward, head tilted fully up in joyful laughter, right hand firmly gripping a sleek black staircase railing, left hand resting confidently on her hip. She wears a dramatic, voluminous tiered ballgown crafted from brushed, paint-effect fabric that cascades down the stairs. The gown features a striking 2026 color trend ombré: {argument name="gown colors" default="vibrant electric chartreuse at the bodice, transitioning through bright lime green tiers, and fading into deep forest-charcoal"} at the sweeping hem. Her dark hair is pulled into a sleek, polished low bun. Natural daylight floods through large arched windows, creating luminous highlights on the textured chartreuse fabric and soft shadows across the marble steps. Shot on {argument name="lens" default="50mm"} lens, f/2.8, sharp focus on expression and gown details, high-end fashion magazine aesthetic.