Diane Keaton’s Cause Of Death Revealed By Her Family

Diane Keaton, shown at the Ralph Lauren Spring 2023 Fashion Experience in Pasadena, California, in 2022, died from pneumonia last week. AP Photo/Chris Pizzello

The family of Diane Keaton revealed her cause of death in a statement shared with People magazine on Wednesday, less than a week after the Oscar-winning actress died.

“The Keaton family are very grateful for the extraordinary messages of love and support they have received these past few days on behalf of their beloved Diane, who passed away from pneumonia on October 11,” the statement reads.

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Her family added that Keaton “loved her animals and she was steadfast in her support of the unhoused community, so any donations in her memory to a local food bank or an animal shelter would be a wonderful and much appreciated tribute to her.”

The legendary actor — best known for her roles in “Annie Hall,” the Woody Allen movie that won her the Oscar for Best Actress in 1978, and “The Godfather” — died in California Saturday, a family spokesperson told People at the time. She was 79.

From left: Charles H. Joffe, winner of the Oscar for Best Picture for “Annie Hall,” and Diane Keaton, winner of Best Actress for “Annie Hall,” pose with presenter Jack Nicholson and producer Jack Rollins at the Academy Awards in Los Angeles on April 3, 1978. via Associated Press

Her death prompted an outpouring of emotion from the acting world.

Jane Fonda, Keaton’s co-star in the 2018 movie “Book Club,” said the news was “hard to believe … or accept.”

“She was always a spark of life and light, constantly giggling at her own foibles, being limitlessly creative … in her acting, her wardrobe, her books, her friends, her homes, her library, her world view,” Fonda wrote on social media. “Unique is what she was. And, though she didn’t know it or wouldn’t admit it, man she was a fine actress!”

From left: Mary Steenburgen, Jane Fonda, Candice Bergen and Diane Keaton attend the premiere of “Book Club: The Next Chapter” at AMC Lincoln Square on May 8, 2023, in New York. Evan Agostini/Invision/AP

In a lengthy post on Instagram, filmmaker Nancy Meyers, who worked with Keaton on “Baby Boom, “Father of the Bride” and “Something’s Gotta Give,” which won her a Golden Globe in 2004, wrote that “we have lost a giant.”

“As a woman, I lost a friend of almost 40 years — at times over those years, she felt like a sister because we shared so many truly memorable experiences. As a filmmaker, I’ve lost a connection with an actress that one can only dream of,” she continued.

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Reese Witherspoon called Keaton “one of my first mentors in this business.”

“She is just … a truly original person,” Witherspoon continued. “So for Diane, watch one of her movies and wear like a really cool, interesting outfit, black and white, take a cool picture and just live your dream. Just be your unique, interesting self. I think Diane would be really happy.”

Keaton never married and was outspoken about not wanting to date. She is survived by her two children, Dexter and Duke.