1975 Gianna 2 Piece Swimsuit YouTube BeWicked 1975 Gianna 2 Piece Swimsuit Black in Swimwear, Bikinis June 1975. If looking for a swimsuit that fits Just Seventeen GIANNA One piece swimsuit. Elevate your poolside presence with a swimwear ensemble that's as daring as it is chic. The Giana set features a sophisticated look distinguished by its artful cut out top that offers a glimpse of allure while maintaining an elegant silhouette. * Round neckline * Adjustable spaghetti straps * Featuring a cut out design on the top * Brazilian thong bottom