Diane Keaton Reveals Her Mentally Ill Brother, Randy, Was Inspiration for Duane in 'Annie Hall'

Diane KeatonwasWoody Allen‘s ex-girlfriend and muse when she played the lead in his 1977 hit film,Annie Hall —but she wasn’t the only one who served as inspiration. In her new memoir,Brother & Sister, the 74-year-old star explains that Annie’s troubled brother Duane (Christopher Walken) was based on her own brother John Randolph Hall, an artist who hasstruggled with mental illness, alcoholism, and dark fantasieshis whole life. Now 71, Hall suffers from dementia and lives in a care facility, where his sister visits him weekly.

Diane Keaton Reveals She Has Not Dated Anyone in 35 Years: 'No Dates'

Diane Keatonis getting real about living the single life. The 73-year-old actress opened up about her dating life in an interview withInStylein which she admitted she hasn’t been asked out on dates in quite a while. “Never. All right?” Keaton said, laughing as she explained she hadn’t been asked out. “Let’s just get that straight. That one’s important. I haven’t been on a date in, I would say, 35 years.”

Diane Keaton Reveals She's 'Itching' to Design a 'Fantastic Ridiculous' New Home East of Her L.A. Base

Diane Keaton.Photo: Amy Sussman/Getty Diane Keaton’s love for collecting and decorating amazing homes around Los Angeles is well known, but the Oscar winner isn’t satisfied just sticking to the West Coast, she reveals. Some of her most famous homes are two Spanish-inspired homes inBeverly HillsandBel Air, and her currentindustrial-style property spotlighted in her book,The House That Pinterest Built. TheAnnie Hallstarsaid she is “definitely itching [to do another home]. I’d like to go east a little and keep this one west.

Diane Keaton Says Her Brother Randy Has Dementia: 'I Don't Know If He Knows Who I Am'

Diane Keaton hasn’t lived a traditional life (an Oscar-winning actress, she never wanted to be a wife, she says), but family remains the center of her world. And family includes her younger brother, Randy Hall, who she says suffers from dementia. “I’ve spent a lot of time in senior living facilities [recently] with my brother, Randy, who has dementia,” the 73-year-old actress—who’s now starring in her 58th film,Poms–tells PEOPLE in a wide-ranging interview for this week’s issue.

Diane Keaton Shares Joyful Video Compilation of Her 'Endless Fashion Mistakes'

Diane Keaton.Photo: Getty (3) Diane Keatonis poking fun at her biggest style blunders. On Tuesday, the Oscar winner, 77, shared thirteen images of her fashion faux pas in an Instagram video compilation called “Fashion Goes Wrong.” It included a triple-belted horizontal striped look, ill-fitting black pants paired with a beige suit jacket and cap, and an Amelia Earhart-inspired white scarf teamed with a black leather bomber jacket and a flowing yellow-black-white plaid skirt.