A woman in a shimmering gold dress surrounded by glowing disco balls, set against a vibrant neon color palette, embodying rainbowcore aesthetics. The scene captures the essence of photorealistic portraiture with incredible detail, reminiscent of the work of Ruslan Lobanov and Mandy Disher. Her expression is one of poised elegance, and the rainbow-hued lighting casts dynamic patterns across her dress. The intricate detailing of her attire and surroundings is reflected in ultra-high-definition clarity, highlighting every facet of the character's features and the reflective spheres. The overall ambiance is both striking and surreal, blending realism with the fantastical allure of vivid colors.