We saw glimpses of scarlet in New York, and by the time Prada showed in Milan, we knew for sure: A deep, bricky red is fall's "It" color. Miuccia's came in a heavy, country wool. Donna Karan revisited some of her best years with her eighties, Working Girl–style wool blazer. Nina Ricci's cascading ruffled dress in red was, in a word, showstopping. Harriet Mays Powell and Doria Santlofer