Diane Keaton’s Cause of Death Revealed

Diane Keaton died from pneumonia, according to a new statement from her family.

“The Keaton family are very grateful for the extraordinary messages of love and support they have received these past few days on behalf of their beloved Diane, who passed away from pneumonia on October 11th,” reads a statement shared to PEOPLE.

The Oscar-winning actress passed away on Saturday, October 11th, at the age of 79.

A source told PEOPLE that Keaton’s health declined “very suddenly,” and she spent her final months “surrounded only by her closest family, who chose to keep things very private. Even longtime friends weren’t fully aware of what was happening.”

Her family asks that any donations made in her memory be made to an animal shelter or food shelter, explaining that she “loved her animals and she was steadfast in her support of the unhoused community,.”