Broadway Melody of 1938 (1937)

In director Roy Del Ruth's backstage dance/musical from MGM:

• the memorable star-making scene, in one of the film's many subplots, of 15-year-old Betty Clayton (Judy Garland in her MGM feature film debut) in bobby socks singing "Dear Mr. Gable" to the "King of Hollywood" Clark Gable's photograph in the bedroom of her mother Alice's (Sophie Tucker) boarding house
• she wrote him a love letter (sung to the tune of "You Made Me Love You") - "Dear Mr. Gable, I am writing this to you, and I hope that you will read it so you’ll know…"