Now trending: gardens. Luisa Beccaria flirted with landscape design — just like Marni a few hours before, Tod’s the other day and Thom Browne way back in New York — staging her models like garden nymphs in the arches of a well-tended Milanese courtyard. Ambassadors of Beccaria’s maiden romance, the girls wore pretty, watercolor maxidresses in graphic lace and embroidered tulle, their preciousness countered by a lean, sophisticated silhouette.