young girl sitting on a white cube with rainbow stripes and holding a blue balloon looking at the camera with a calm fac

young girl sitting on a white cube with rainbow stripes and holding a blue balloon looking at the camera with a calm face, full-length portrait from a low angle with a centered composition and a slight upward tilt, wearing a white cotton dress with long sleeves and a floral pattern with small pink and red roses, white Mary Jane sandals in a studio setting against a backdrop of grouped balloons in violet blue, pink and red colors with embedded warm LEDs, pink cloud-shaped light decorations with embedded warm LEDs on the floor, soft diffused studio lighting from the front and sides creating an even illumination with subtle soft shadows under the chin, hands and on the folds of the dress, subtle highlights on the hair and the balloon, warm and playful atmosphere, shot with a 50mm portrait lens with a shallow depth of field and bokeh on the background elements, photorealistic style subtle Film grain, vibrant color palette with purple and blue hues, pinks and reds, 8K resolution