Older joke told by my father in-law

One day Cinderella is down and her fairy godmother appears. Noticing she is not happy, she turns to her and says she would cast a spell so she could have a night out on the town, but she must be back by midnight or her pussy would turn into a pumpkin. So time goes by and midnight comes and goes and Cinderella still hasn’t shown up. 130am, 230am go by, and finally at 3am she comes home. The fairy grandmother furiously asks Cinderella where she had been and reminded her that her pussy has turned into a pumpkin because she wasn’t back home by midnight. Cinderella replied “yes, I know and I was on my way home, but then I ran into Peter Peter the pumpkin eater.