Photo: Paramount Pictures/Getty Images Diane Keaton appeared in 60 films, performed more than two dozen television parts, earned four Best Actress Oscar nominations (and one win, for 1977’s Annie Hall ), accrued multiple directing credits (including an episode of Twin Peaks ), and wielded seismic influence on women’s fashion. All of it was driven by a quest to understand and embody beauty — a word that haunted her since her father told her on her 15th birthday that she was pretty. Keaton didn’t