French elegance, portrait, Mademoiselle Chanel, 1920s, luxurious, high-society lady, soft facial features, subtle smile, piercing brown eyes, stylish bob haircut, signature Chanel hat, pearl necklace, white gloves, long-sleeved black dress, intricate lace details, luxurious velvet fabric, ornate gold brooch, refined posture, sitting, lavish interior, French Renaissance-style furniture, crystal chandelier, warm softbox lighting, shallow depth of field, cinematic composition.