Joyful Toddler Portrait with Thumbs Up

photorealistic studio portrait of a cheerful toddler with light brown curly fine hair, round face, rosy cheeks, dark expressive eyes, subtle closed-mouth smile with dimples, giving two thumbs up toward the camera, wearing a plain white short-sleeve onesie, upper body close-up, centered framing, one thumb raised closer to the lens on the left side and the other lower on the right, clean pale gray-white seamless background, soft diffused natural studio lighting, gentle highlights on baby skin, delicate hair wisps, realistic skin texture, soft fabric texture on the shirt, shallow depth of field, warm wholesome mood, high detail, 85mm portrait lens look, natural colors