Joan and Barbara had adjoining properties in Brentwood. When Barbara's husband, Frank Fay, would get drunk & abusive toward her, Barbara would run to Joan's house, where Joan would console her. One thing led to another. "There's no doubt in my mind that Joan and Barbara were intimate on more than one occassion," said Helen Ferguson, bisexual former actress, who became Stanwyck's press agent for many years.
source: "Joan Crawford: The Essential Biography"
"Barbara, darling, let's be lovers again."
"Joan is mine. ALL MINE!!!!"