India, Oct. 13 -- Diane Keaton kept her personal life mostly private before her death at 79 in California, according to her family.

While she never shared any major health updates publicly in her final months, Keaton had previously spoken about her long battles with skin cancer and bulimia, according to E! Online.

Her trademark hats were more than a fashion choice. She began wearing them seriously after being diagnosed with skin cancer at 21.

"It's a family history," she told the Los Angeles Times in 2015. "I remember my Auntie Martha had skin cancer so bad they removed her nose. My father had basal skin cancer and my brother had it. It's tricky with this skin cancer. That's why you've got to put the sunblock on."

Keaton said she didn...