Man in Black Jacket Celebrating Birthday with Champagne

Maintain face from reference photo, medium shot, a man, wearing a black jacket with buttons over a white t-shirt, sitting casually with one leg crossed over the other, right arm resting on the chair's armrest, left hand holding a glass of champagne, head slightly tilted, looking at the camera, surrounded by a cluster of black and white balloons approximately half his size, positioned at the sides in the midground, also visible are metallic letter balloons spelling "HAPPY BIRTHDAY" in the background, set in a simple room with a light-colored wall, soft, natural lighting with subtle shadows, creating a celebratory and relaxed atmosphere, eye level angle, photorealistic, 8k, shallow depth of field.