Betty McLeish is a fictional character from the 2017 film The Last Word, portrayed by actress Shirley MacLaine. In the movie, she is a retired advertising executive who decides to take control of her life by writing her own obituary, leading her on a journey of self-discovery and reflection. Throughout the film, Betty's interactions with a young journalist, played by Amanda Seyfried, reveal her complex personality and the challenges she faces. The story explores themes of legacy, friendship, and the impact of one's life on others, making Betty a relatable and memorable character.