Well, this isn't in the book. 🫣
Everyone's "Crying" Over This 'The Summer I Turned Pretty' Ending Theory: "I'll Never Get Over It"

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The Summer I Turned Pretty fans, we finally have an update on our favorite show! Prime Video just announced that season 3, starring Lola Tung, Christopher Briney, and Gavin Casalegno will be coming in July — and that this season (which has 3 extra episodes, FYI!) will be the show's final season. But while fans weren't too surprised by the announcement (Jenny Han only wrote three books, after all), there's one detail of the official season 3 poster that has TV fans in a tizzy.
Keep reading for a breakdown of the craziest The Summer I Turned Pretty season 3 theory yet — and don't forget to check out the first look images!
'The Summer I Turned Pretty' fans can't wait to return to Cousins
The official TSITP account posted the poster for season 3 on March 7, confirming the next episodes were dropping in July. "Summer is just a season away," the caption reads. "The Summer I Turned Pretty Season 3 premieres this July on Prime Video."
And fans immediately flooded the comments cheering for Team Conrad or Team Jeremiah. While some users admitted they were already "crying," others range from "Prepares to defend Conrad for one last summer" to "WHERE ARE ALL THE JELLY SUPPORTERS COME ON GUYS WE NEED TO STAND UP FOR WHATS RIGHT." And even a very passionate, "If she doesn’t end up with Conrad this will go down as the worst show ever because I’LL NEVER GET OVER IT."
Even Spotify's Instagram picked a side by commenting, "team conrad we have WAITED for this day."
But some eagle-eyed fans picked up on one detail about the poster that's different than season 1 and 2: Belly's by herself.
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While the poster for The Summer I Turned Pretty season 1 features Belly, Conrad, and Jeremiah with the summer house in the background, and the main poster for season 2 features the trio sitting on the beach, The Summer I Turned Pretty season 3 poster features Belly standing by herself in front of a bush of hydrangeas. Because, y'all, Belly is in bloom.
She's not the same girl she was at the start of the series — and even if she still has a ton of questions about life (don't we all?) she has way more confidence. She's not lost.
And could the fact Belly stands alone on the poster be a clue to the end of the series? "this poster screams belly choosing herself in the end and I’m all here for it!" one X user tweeted.
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Although I will point out Belly's yellow dress actually made its rounds on social media last year when videos of Lola Tung and Christopher Briney filming together went viral. So we'll have to tune in this July to figure out who Belly ends up with for sure ;).
Meet The Summer I Turned Pretty Season 3 Cast before it premieres on Prime Video in July 2025!