"Good Mourning" is a 2022 comedy film directed by Machine Gun Kelly and Mod Sun. The story follows a man named London, played by Machine Gun Kelly, who faces a life-changing dilemma when he learns that his ex-girlfriend is getting married. As he navigates his feelings, he embarks on a journey filled with humor and unexpected twists. The film features a cast that includes Megan Fox, Whitney Cummings, and Pete Davidson. It combines elements of romance and comedy, exploring themes of love, loss, and self-discovery in a lighthearted manner.