'The Summer I Turned Pretty' creator teases the movie will show 'another big milestone'

Production Status - The movie is in the writing process, with a draft finished by Sarah Kosco and the speaker [2] - It's too soon to say when the movie can be expected [2] Plot Speculation - The books have a wedding at the end of the third book [1] - The series finale did not include a wedding [1] - The movie may include a wedding [1] - Belly will experience another big milestone [1]