Prompt: A color portrait of a young woman embodying the classic, affluent Upper East Side New York style. She has an elegant and sophisticated appearance, with a refined fashion sense indicative of old money wealth. Her hairstyle is neat and fashionable, complementing her poised demeanor. She is wearing upscale, timeless clothing, possibly a designer dress or a chic blouse with pearls or fine jewelry. The background suggests a luxurious but tastefully decorated urban setting, typical of the Upper East Side. The image should capture her confident yet understated elegance, typical of a wealthy New York socialite.