score_9, score_8_up, score_7_up, 1girl, sexy Britney Spears(br1tneysp-130)、half naked, wearing a backless dress, looking at viewer, dynamic pose, seductive pose, seductive smile, flirty smile, detailed face features, beautiful eyes, extremely detailed face, long eyelashes, sexy,looking at viewer, Backless dress, outdoors, high heels, facing viewer, close up, full close up, ballroom