Nano Banana Pro on the left. Seedream 4.5 on the right via @ImagineArt_X 

{
"subject": {
"age": "young adult",
"gender": "female",
"skin": "tanned, prominent freckles, natural glow",
"eyes": "hazel green, defined eyebrows",
"hair": {
"color": "dark brown/black",
"style": "straight, long, pushed back with wide fabric headband, loose waves",
"accessory": "wide charcoal grey fabric headband"
},
"expression": "neutral, relaxed, direct gaze, hand on cheek",
"features": "full lips, natural makeup"
},
"clothing": {
"type": "ribbed spaghetti strap top",
"color": "charcoal grey",
"neckline": "scoop neck"
},
"accessories": [
{
"type": "earrings",
"style": "large thick gold hoop"
}
],
"pose": "close-up selfie, right hand supporting cheek, looking at camera",
"environment": {
"location": "inside car",
"elements": [
"black leather car seat",
"car interior roof",
"window showing bright daylight",
"blurred background with palm trees and buildings"
]
},
"lighting": "natural daylight, bright, from right side window",
"photographic_style": "smartphone selfie, natural light, high resolution, realistic",
"aspect_ratio": "9:16"
}