In the movie a summer place, Sandra Dee plays Molly and she is dressing to meet her boyfriend in secret. She puts on her dress, and it's unzipped in the back, her mother is in the room, so she wants her to zip her up. The mother lets it out that she's been reading her letters that she's written to her boyfriend. Molly gets upset and runs to her secret hiding place with her dress still unzipped. She throws her letters in the fireplace and when she does her dress is miraculously zipped.