Oct. 11 (UPI) -- Screen legend and style icon Diane Keaton has died in California at the age of 79. People.com was the first to report the sad news Saturday. The New York Post and Deadline also confirmed the passing of the Oscar-winning star of The Godfather, Annie Hall and The First Wives Club. She was recently seen in the Book Club franchise. The cause of her death was not immediately available. Story developing... Jane Fonda, Diane Keaton attend 'Book Club' premiere Jane Fonda plays Vivian