Celebrities are mourning the loss of Diane Keaton, who died at age 79. People broke the news of her death on Saturday, October 11, confirming that The Godfather star died in California. Further details have yet to be released as her family asks for privacy during this difficult time. Bette Midler was one of the first stars to break their silence following news of Keaton's death. "The brilliant, beautiful, extraordinary Diane Keaton has died. I cannot tell you how unbearably sad this makes me," Midler, 79, captioned an Instagram post on Saturday.