Gidget wishes! The sportiest halter swimsuit of the bunch has a banded top and a snug bottom. More happiness: The higher-cut leg makes those stems seem to go on for miles. Patagonia Obi Boucau halter ...

Leave it to a red-carpet diva to design a killer suit with serious plunge. A word of warning: The unlined cups presume a perky pair. Elizabeth Hurley Beach top, $91, and scoop bottoms, $77, ...