Create a highly detailed and realistic portrait of a young woman. She has strikingly clear blue eyes, long flowing auburn hair that cascades over her shoulders, and a soft, serene expression. The background should be softly blurred to emphasize her features, with a touch of natural sunlight casting a gentle glow on her face. Her attire is simple yet elegant, perhaps a light, pastel-colored blouse. Capture the texture of her skin, the subtle play of light and shadow, and the natural beauty that exudes confidence and grace.