Shoshanna Retro Bikini The Shoshanna Tie Strap Retro Bikini Top ($198) and High Waist Button Bottom ($143) makes for the perfect retro suit with cup sizes available up to DDD and adjustable tie straps. Image Source: shopbop.com Tie Strap Retro Bikini Top $198 from shopbop.com Buy Now High Waist Button Bottom $143 from shopbop.com Buy Now