Marilyn Monroe is a cinema legend whose performance in 'Some Like It Hot' is defined by her charm and musicality. In the film, her character 'Sugar Kane' plays the ukulele, most famously during the song 'Running Wild.' Monroe actually learned the basic chords for the instrument to ensure her performance looked authentic on screen. The ukulele’s light, cheerful, and slightly 'small' sound perfectly matched her character’s vulnerable yet bubbly personality. This small instrument became an iconic part of her image in the film, proving that a movie legend doesn't need a grand piano or a full orchestra to capture the audience's heart—sometimes a simple four-stringed instrument is all that's required.