A woman in a black dress posing on a sidewalk

One random example of a minimalist and sexy costume for women could be a black sequin mini dress paired with fishnet stockings and stiletto heels. The dress would have a high neckline and long sleeves, clinging to the body to accentuate curves, while the fishnet stockings add a touch of allure. The minimalistic approach focuses on the sleek and form-fitting nature of the outfit, allowing the wearer to showcase their confidence and sensuality with subtlety.