Diane Keaton died at the age of 79 in California. As of now, no specific cause of death has been publicly released. Her family has requested privacy during this time, and further details about the circumstances of her death have not been made available. Diane Keaton had battled bulimia in the past, but it is not confirmed that this contributed to her death. She was a celebrated Oscar- winning actress known for roles in "Annie Hall," "The Godfather" series, and many other films.