SUMMER BLUES: Ah, mid-May in D.C.... Slogan: "But it's a wet, sweaty heat." Temps are rocketing skyward again, and with that comes humidity, but it's not always so easy to stay cool and look good at the same time. Enter the Celana Baby Jersey Dress ($108) by Velvet. The cotton jersey and strapless top keep you cool, while the rushing provides a stunning silhouette. GET IT: Cusp, online; 3030 M St. N.W. and Tysons Corner.