The movie for "The Summer I Turned Pretty" (TSITP) has been officially announced by Amazon Prime Video, with Jenny Han writing and directing the feature film. The movie will continue the story after the third and final season of the series and is expected to include Belly's wedding, which was left unresolved in the series finale. However, as of now, no exact release date has been announced for the TSITP movie. The film is confirmed to be in development, and it will likely be available on Prime Video once released, but fans will have to wait for further updates regarding the release schedule.