The filming has begun for the Prime Video series Last updated: May 06, 2026 | 07:41 US actor Gavin Casalegno, US actress Lola Tung and US actor Christopher Briney pose during a photocall on the roof of the Shangri-La Hotel prior to a special screening of the final episode of the serie "The Summer I turned pretty", in Paris, on September 17, 2025. AFP-GUILLAUME BAPTISTE Lights, camera, and... maintain boundaries. Production has officially kicked off for the The Summer I Turned Pretty movie, but it seems some fans are turning the heat up a little too high. Prime Video is once again asking the fandom to take a collective deep breath and a step back from social media. This isn’t the streamer’s first problem with Cousins chaos. Before season three dropped last summer, they had to post a PSA asking fans to "keep the conversation kind" and skip the online harassment. Now that filming for the finale is underway, the excitement has hit the streets.…