Create a high-quality, cute chibi-style 3D character illustration of a little girl [User Photo] with an oversized head, big, soft facial features, and a confident, playful attitude. She is wearing large, round, black sunglasses, a plain white t-shirt, and loose, dark blue denim overalls with realistic stitching, front bib pocket, side pockets, metal buttons, and rolled-up cuffs. She has natural-coloured hair tied into two low pigtails with soft, loose strands flying around her face. Pose: full-body standing pose, body tilted, one hand resting on her hip, the other hand lifting or adjusting her sunglasses near her eye. Her expression is cool, slightly pouty, stylish, and confident. She wears clean white sneakers and white socks. Style: adorable premium 3D cartoon render, soft skin, detailed hair strands, realistic denim texture, clean studio lighting, smooth shadows, white background, high resolution, sharp details, cute collectable character aesthetic. Aspect ratio 4:5, vertical portrait.