Flaunt what you’ve got.A Girl’s Best FriendLace is nice. Diamonds, much better. Layer the American Apparel grid bodysuit ($36) under playful rompers and jumpsuits or wear it solo to show off your (ahem) precious gems.Coming Up RosesTest the underwear-as-outerwear trend with Topshop’s floral bralet ($40). A zip front, boning, and a bold pattern pair well with a flowy skirt and denim jacket.Shape ShifterGranny panties get a much-needed makeover with Cynthia Rowley’s new shapewear collection ($130-$260). High-waisted briefs smooth out hips, and sturdy bras hold the goods in place.Critters of ComfortHumid summer nights are unbearable. Stella McCartney’s silk ladybug chemise ($150) cools you down when things heat up. Tiers of JoyRetire your dance shoes but keep a pair of ruffled tap shorts ($48) in permanent closet rotation. They’re a perfect hybrid of practical and semisheer, flirtatious fun. For more fun and pretty underthings, check out ShopTalk.