Diane Keaton 's longtime friend and collaborator reflected on her final visit with the actress ... recalling how she was struck by Keaton's noticeable weight loss in the weeks before her death. In an interview with PEOPLE , Carol Bayer Sager says she saw the Oscar winning star just two or three weeks ago and was surprised by the change in her appearance. "She was very thin," Sager shared. "She had lost so much weight." According to Sager, Keaton had spent much of the year in Palm Springs after