To buy: $42; asos.com. To buy: Top, $50, and bottom, $45; summersalt.com. To buy: $185; strangebikinis.com. To buy: Top, $20, and bottom, $15; hm.com. To buy: $23; target.com. To buy: $129; bloomingdales.com. To buy: $26; amazon.com. To buy: $20; target.com.