The person appears to be a/an East Asian Female, approximately 20 to 29 years old.
For an East Asian female attending a formal evening event, a chic option could be a floor-length A-line gown in a rich jewel tone, featuring intricate lace details and a flattering off-the-shoulder neckline. This can be complemented with statement chandelier earrings, elegant strappy heels, and a sleek low bun hairstyle for a polished look.
An elegant outfit for a Middle Eastern female attending a formal evening event could feature a beautifully tailored floor-length gown with long sleeves, perhaps in rich jewel tones or soft pastels. The dress could have intricate embroidery or embellishments that reflect cultural aesthetics, complemented by statement teardrop earrings, stylish closed-toe heels, and a chic updo hairstyle that enhances the overall look.