Keaton's last Instagram post, shared in April, showed her looking cheerful and healthy alongside her dog, Reggie.

The 'First Wives Club' star looked back at filming the 1996 comedy with Keaton and Goldie Hawn: "We sat there and they started telling stories, and I’m telling you, I never laughed so hard in my life.

New details about Diane Keaton 's death have emerged. The Oscar winner — who starred in films "Annie Hall," "Father of the Bride" and "Something's Gotta Give," among others, throughout her decades-long career — died at age 79 from pneumonia, her family confirmed to People Oct. 15.

Insiders claimed the actress left her golden retriever $5 million to provide for his care and donations to animal charities.