Birthday celebrant, young girl (16yo), smiling face, bright blue eyes, curly brown hair, colorful balloons tied to wrist, pink party hat, white blouse with lace, frilly skirt, striped socks, sparkly sneakers, holding cake with candles, blowing out candles, happy tears, confetti background, pastel colors, soft focus, cinematic composition, shallow depth of field, warm lighting, birthday atmosphere.