Elegant Rose Gold Night Portrait

A realistic, highly detailed 4K cinematic portrait depicting a young woman smiling and holding a rose-gold balloon. She wears a black sequin dress with a blurred city night light in the background. Dramatic lighting, centered and full-body composition, with a blurred city night light in the background. It creates a festive and elegant atmosphere. High resolution, highly detailed, 4K, vertical portrait, lifelike.