Renowned filmmaker Nancy Meyers took to social media to pay a touching tribute to her long-time collaborator and dear friend, the late Diane Keaton.

In a heartfelt Instagram post, Meyers expressed her grief over the passing of the Oscar-winning actress. “These past 48 hours have been incredibly difficult,” she shared. “Your tributes to Diane have been a source of comfort. Like you, I mourn the loss of a titan in the film industry—a gifted actress who consistently exposed her soul to bring our stories to life. Personally, I’ve lost a friend of nearly four decades.”

Meyers continued, reflecting on their deep bond, “Over the years, she often felt like a sister to me because we shared so many unforgettable experiences.”

Diane Keaton passed away on October 11 at the age of 79, with the cause of death currently unknown. Her illustrious career in film spanned several decades and included numerous projects with Meyers, such as Something’s Gotta Give, Father of the Bride and its sequel, and Baby Boom.

Meyers fondly recalled their working relationship, noting that she and Keaton had a unique understanding of each other, which made their collaborations seamless.

“As a filmmaker, I’ve lost a connection with an actress that one can only dream of,” Meyers wrote. “We all search for that someone who really gets us, right? Well, with Diane, I believe we mutually had that. I always felt she really got me so writing for her made me better because I felt so secure in her hands. I knew how vulnerable she could be. And I knew how hilarious she could be, not only with dialogue (which she said word for word as written but managed to always make it sound improvised).”

Meyers said she watched Keaton “give it her all” in every project they did together, specifically pointing to Something’s Gotta Give, in which Keaton stars as a single divorcée who finds love in her daughter’s much older, womanizing boyfriend (played by Jack Nicholson).

“When I needed her to cry in scene after scene in Something’s Gotta Give she went at it hard and then somehow made it funny. And I remember she would sometimes spin in a kind of goofy circle before a take to purposely get herself off balance or whatever she needed to shed so she could be in the moment,” Meyers continued.

She concluded her message with a touching farewell that many fans of the late actress can relate to. “She was fearless, she was like nobody ever, she was born to be a movie star, her laugh could make your day and for me, knowing her and working with her – changed my life,” Meyers wrote. “Thank you Di. I’ll miss you forever.”

With several hits under her belt including Annie Hall, Reds, and The Family Stone, Keaton had continued acting until her final days, with her last role being in the 2024 comedy Summer Camp.

The late actress reportedly had at least three movies in pre-production when she passed away.