April 11 marked six months since Diane Keaton died. This week, Bonhams auction house announced the first—and perhaps definitive—sale of the late Annie Hall and Godfather star’s personal belongings, including her art and art collection, Hollywood ephemera, and of course, iconic wardrobe. Keaton epitomizes a fading Hollywood cohort that flourished before artificial intelligence or even influencers, back when actors had barely shaken off the studio system. She possessed a range that moved effortlessly between comic aplomb and dramatic nuance. “To speak of her is to speak of instinct, an unerring visual and creative intuition that guided her across decades of artistic exploration,” Dorrie Hall , Keaton’s sister, said in a statement. In its latest collaboration with global art advisory the Fine Art Group , Bonhams has organized the four-part, 550-lot sale to encompass this self-styled icon’s ranging practice.…