Article continues below advertisementDiane Keaton's two children won't be receiving every single dollar of their late mother's $100 million estate, as an insider claimed she also left some money to her beloved dog, Reggie.According to the source, the Annie Hall actress allotted $5 million for her golden retriever before passing away at age 79 on Saturday, October 11.Article continues below advertisement'Reggie Was Her World'Source: @diane_keaton/instagramDiane Keaton's pal claimed she left $5 million to her dog so he's taken care of for the rest of his life.