INTERIORSPhotos: By GeorgeUnsung decorating hero George Stacey finally gets his due.by Monica Khemsurov04.18.141George Stacey’s design for the Château de Neuville. Courtesy of B. Boucher/The George Stacey Estate.2Ava Gardner in her dining room. Photograph courtesy of Ava Gardner Trust, Smithfield, North Carolina.3Babe Paley and Stacey antiquing in Paris, circa 1950. Photograph courtesy of The Estate of George Stacey.4Interior of the Palais Princier in Monaco, circa 1970. Photograph courtesy of The Estate of George Stacey.