Amazon MGM Studios has released the trailer for the upcoming film 'My Old Ass,' a coming-of-age comedy starring Aubrey Plaza and Maisy Stella, where the younger character interacts with her 39-year-old future self after a mushroom trip, offering advice on various aspects of life. Directed by Megan Park, the movie received critical acclaim at the Sundance Film Festival, praised for Plaza's performance and Park's direction. Plaza's character advises the younger self to be kind to family, avoid a person named Chad, and explores themes of self-discovery and identity. The film, set for a theatrical release on September 13, delves into friendship, love, and growing up in a light-hearted yet poignant manner.