High-resolution photorealistic studio fashion portrait of an adult woman with long light brown hair featuring golden blonde highlights in loose curls. Playful, cheeky expression with pursed lips, looking off to the side with relaxed shoulders. Wearing a gold shimmering party hat and a gold sequin party dress with modern asymmetric neckline cutout. Holding gold foil balloons shaped as numbers 20 and 26 in each hand, raised near shoulders. Clean studio environment with neutral beige backdrop, soft studio lighting with gentle shadows. Editorial-grade photorealism, detailed skin texture, hair strands, sharp sequin details, metallic balloon material with realistic folds and highlights.