There were many famous “sister acts” in the movies. It started back in the silents, with Lillian and Dorothy Gish, Norma and Constance Talmadge, Delores and Helene Costello. It continued in talking pictures. Constance and Joan Bennett, Loretta Young and Sally Blane (and Polly Ann Young). There were the famous Lane Sisters, Priscilla, Rosemary and […]