Ladylike, classic and cool, tea dresses have become the quintessential silhouette of spring for fashion girls. Fun twists for this season include prim details like flutter sleeves, button-fronts and ruffles, and they give knee-length and midi-length frocks a modernity that’s fresh for work, date night and weekend. You can even don these dresses at summer weddings and on vacation—how’s that for versatile? Here, shop our edit of styles that we guarantee will be the hardest-working dress in your repertoire.