With both leading ladies in Warner Bros.' pocket, they began picking from the same roles.

Davis admitted she had “never forgiven her for that, and never will,” in 1987.

Crawford took advantage of her appearance when in the world of glitz and glamor.

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Credit: Suzanne Tenner/FX

Crawford died after suffering a heart attack in 1977.

As of 2014, she was reported by Celebrity Net Worthto have a net worthof $8 million.

Davis is also said to have been able to dilate her eyes for dramatic effect.

WHAT EVER HAPPENED TO BABY JANE?, from left, Bette Davis, Joan Crawford, on-set, 1962

Everett Collection

Despite her legendary role in1950’sAll About Eve, the ’50s were not particularly kind to Davis.

She and Crawford were similar in this way, thoughDavis waited out this dry spell on Broadway.

Davisdied in 1989,the same year her last film was released.

Joan Crawford circa 1953

Richard Rutledge/Condé Nast via Getty Images

Making ofWhat Ever Happened To Baby Jane?

It was Crawford who first happened upon the book version ofBaby Janeand subsequently pitched it as a film.

Knowing that Davis was prone to back issues, she reportedly attempted tointentionally make herself heavier.

Big Fur

John Kobal Foundation/Getty Images

Warner Bros. president, Jack Warner, is portrayed by Stanley Tucci.

Lange, whose role inFeudis coming off the heels of Louis C.K.

Lange explained that Crawford’s mythos even fooled her when she was young and would watch her acting.

WHAT EVER HAPPENED TO BABY JANE?, Bette Davis, Joan Crawford, 1962

Everett Collection

“She devoted her life’s energy to creating the character of Joan Crawford,” Lange said.

“Always beneath that is Lucille LeSeur, and that became what was so fascinating to play.”

Murphy’s hiring policies and guarantee that women would direct half of the season ultimately swayed Sarandon.

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Kurt Iswarienko/FX

She recalled, “All I did was wake up in the morning and start listening.

Go to work, come home, and do it again.”

As it turns out, Sarandon identifies with Davis in more than just physical appearance.

Jessica Lange as Joan Crawford

Kurt Iswarienko/FX

I was always the character girl, not the main pretty girl who got the guy.

So I kind of understood that and related to that."

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Kurt Iswarienko/FX