An indoor cycling instructor is recalling the late Diane Keaton's unusual workout attire in the wake of her shocking death. "When I got a text this morning about Diane Keaton passing I was hoping it wasn't true," Adam Goldstein, who used to teach in Los Angeles but is now an instructor in Idaho, wrote via Instagram on Saturday, October 11. "Back when I taught cycling at flywheel West Hollywood she would take my class almost every Saturday with her daughter," he added. "She was one of the kindest, funniest and down to earth people I have ever met in my life.