Create a mesmerizing photorealistic 3D render of a woman with long, flowing wavy hair, adorned in a dress crafted from shimmering stars. Her eyes are gently closed, exuding a sense of serene tranquility as she stands gracefully before a vibrant and colorful nebula, striking a captivating pose. The artwork captures her luminous body in silhouette, illuminated by a soft, ethereal glow that emanates from within. A mysterious black aura surrounds her, creating an aura of dark goddess-like presence. Her long, radiant hair cascades in a colorful, glowing cascade, adding an otherworldly touch to her divine appearance.