Turning out refined day looks or eveningwear since 1981, the house of Herrera specializes in classic shapes lean trousers, pencil skirts, A-line ball dresses, or nipped-waist jackets stitched up in soigné silk faille or jacquard, luxurious taffeta or mink. In recent seasons, Oscar regulars like Renée Zellweger have splashed this most Park Avenue of labels with the starry dash of Hollywood Boulevard.