The late Diane Keaton's friend Lynda Resnick, co-owner of The Wonderful Company, shares some of her favorite memories of the late actress exclusively with PEOPLE. Keaton was 'the most authentic, talented woman I probably have ever known,

Reese Witherspoon continues to mourn the death of Diane Keaton after praising the late Oscar winner in a now-viral video. Keaton, who died at the age of 79, directed Witherspoon in the 1991 TV-movie “Wildflower.

At the premiere of his new film tonight, Keanu Reeves remembered his 'Something's Gotta Give' co-star Diane Keaton, who died last week, as "a total pro."

Woody Allen paid tribute to his former muse and ex Diane Keaton after her death: 'Her face and laugh illuminated any space she entered.”

Allen reminisced about his former muse, romantic partner and lifetime friend, who died on Oct. 11 at the age of 79.

Hollywood is mourning actress Diane Keaton, with tributes from stars such as Candice Bergen, Steve Martin, Reese Witherspoon, Jane Fonda and more.

Shortly after the news of Diane Keaton’s death broke, tributes from across Hollywood came pouring in, including from her former co-stars. Jane Fonda, Keaton’s Book Club co-star, shared a statement with Vulture.

Keanu Reeves is remembering his 'Something's Gotta Give' co-star Diane Keaton, who died Oct. 11 at 79 years old.

Diane Keaton candidly spoke about aging and plastic surgery — including what cosmetic tweaks she had and hadn't done — in candid interviews before her death on Oct. 11.