Sarah Paulson is honoring Diane Keaton on the first anniversary of her shocking death. “One year. Impossible. Laughing with you will always be what I remember most,” Paulson, 51, wrote via Instagram on Sunday, October 11. “I love you.” Alongside the message, Paulson shared a snap of the pair laughing as they placed their hands above their heads. Keaton’s daughter, Dexter, also honored the late actress on the Sunday anniversary, sharing a black-and-white picture of the mother-daughter duo. (Keaton was also the mother of son Duke.) Diane Keaton's Daughter Dexter Posts Tribute...