Warning! The following contains spoilers from the 90 Day Fiancé: Happily Ever After? episode "You're Not a Kid Anymore, Dorothy." Stream the episode with a Max subscription and read at your own risk!

The actor paid tribute to his 'Father of the Bride' costar following her death on Oct. 11 Steve Martin remembered Diane Keaton in an Instagram post on Sunday, Oct. 12 Steve Martin is reminiscing