Since the loss of one of Hollywood’s greats, fans have had questions about how Diane Keaton died and the mysterious cause of her death.
Not many details have been given about the cause of Keaton’s death, however, her close friends have given clues about her health leading up to her passing.
So how did Diane Keaton die and what was her cause of death?
What was Diane Keaton’s health like?
Before her death, Keaton had been outspoken about her battle with bulimia and skin cancer.
Fans have been curious about Diane Keaton’s death and the enigmatic cause of her passing ever since the passing of one of Hollywood’s greatest stars.
The Oscar-winning actress Keaton was born in Los Angeles, California, on January 5, 1946. Her most well-known films include Annie Hall, The First Wives Club, and The Godfather. Keaton passed away in her hometown on October 11, 2025, at the age of 79, following several decades in Hollywood, which included the Academy Award, BAFTA Award, two Golden Globe Awards, two Emmy Award nominations, and a Tony Award nomination. The cause of Keaton’s death has not been disclosed in great detail, but her close friends have provided hints regarding her health in the days preceding her death. What do we currently know about Diane Keaton’s health? Continue reading to find out how she passed away and what caused her death.
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What caused Diane Keaton’s passing?
On Saturday, October 11, 2025, in Los Angeles, California, Keaton passed away. She was seventy-nine. At that time, a spokesperson issued a statement saying, “Her family has requested privacy in this time of great sadness, and there are no further details available at this time.”.
People was informed by the Los Angeles Fire Department that they were called to Keaton’s residence at 8:08 a.m. M. PT and took a 79-year-old woman to a nearby medical facility.
Keaton died after being taken from her home in an ambulance, according to 911 audio that TMZ was able to obtain. Before the dispatcher provided Keaton’s address, someone could be heard saying, “Rescue 19, person down.”.
What caused Diane Keaton to pass away?
Longtime friend and Grammy and Oscar-winning songwriter Carole Bayer Sager recalled seeing Keaton looking noticeably thin less than a month before she passed away, though the cause of her death has not been confirmed. According to Sager’s People interview, “I saw her two or three weeks ago, and she was very thin.”. She had shed a lot of weight. “.”.
She went on, “They had to clean everything because her house had been damaged inside, so she had to travel to Palm Springs.”. She spent some time down there, and when she returned, I was somewhat taken aback by how much weight she had dropped. “.”.
“A magic light for everyone,” Sager continued, referring to the late actress. I simply adored her. She was so unique that her enthusiasm simply filled a room. She took pictures of everything she saw while being joyful and optimistic. She claimed to be entirely creative and to have never stopped producing art.
Keaton’s health had “declined very suddenly” in the months prior to her passing, according to a second source who spoke to People. “Everyone who loved her was devastated by her abrupt decline,” the insider said. “Especially for someone with such courage and strength, it was really unexpected. “”.
“She was surrounded in her last months only by her closest family members, who decided to keep things very private,” the source added. Not even close friends realized what was going on. “.”.
The insider also disclosed that Keaton surprised those close to her by listing her “dream home” for sale just before she passed away, considering that she intended to live there permanently. In March 2025, she put the house up for sale for $29 million.
How did Diane Keaton feel about her health?
Keaton had been candid about her struggles with skin cancer and bulimia prior to her passing. Regarding her eating disorder, she admitted to Dr. Oz in 2014 that “I am an addict because all I did was feed my hunger.”. “That’s accurate. I’m in recovery from addiction, and I will always be addicted. I have a tendency to become addicted. Keaton recalled consuming 20,000 calories during her battle with bulimia before making herself throw up.
In her twenties, she was also diagnosed with basal cell carcinoma. Decades later, she was diagnosed with squamous cell carcinoma, a type of skin cancer, which required two surgeries to remove. In 2015, she told the Los Angeles Times that it was a family tradition. I recall that my aunt Martha had skin cancer so severe that her nose was amputated. My brother and father both had basal skin cancer. This type of skin cancer is challenging. Because of this, you must wear sunscreen. “”.
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