Fans of The Summer I Turned Pretty Movie are buzzing with speculation. They hope Taylor Swift might contribute not just existing tracks, but original music to the film. This would add yet another layer to the already rich connection between her art and the world of Belly Conklin and Cousins Beach.

Swift’s Music Has Become Part of the Series’ DNA

Since its debut in 2022, the Prime Video adaptation of Jenny Han’s beloved trilogy has leaned heavily on Taylor Swift’s catalogue. It punctuates major emotional beats. The show has featured 23 Swift tracks so far. Songs like “Cruel Summer,” “The Way I Loved You (Taylor’s Version),” and selections from The Tortured Poets Department soundtrack scenes of romance, heartbreak, growth, and longing. 

A Movie to Wrap Up Belly’s Journey

On September 17, 2025, the same day the series finale aired, Prime Video confirmed that the story of Belly Conklin will continue—and conclude—with a feature‑length film written and directed by Jenny Han. 

Why Fans Think Swift Might Write Original Music

  • Given the importance of her songs in the show’s soundtrack, fans believe Swift has become deeply tied to its tone and emotional landscape—making her involvement feel almost inevitable. 
  • Swift has precedent for writing original songs for film (such as “Carolina” for Where the Crawdads Sing and “I Don’t Wanna Live Forever” with Zayn for Fifty Shades Darker). That history gives fans reason to believe an original track for the TSITP movie isn’t outside the realm of possibility. 

What Is Known—and What’s Still Unknown

Here’s where things are clear, and where mystery remains:

  • The film is now confirmed; Jenny Han will write and direct to bring Belly’s story to a close. 
  • No release date has been announced for the movie yet. 
  • There is no official confirmation that Taylor Swift will write original songs for the movie — the idea remains speculative. 

Why It Matters

Swift’s involvement—if it happens—would not just be about a catchy soundtrack. Her music has played a role in shaping how viewers feel Belly’s pain, her love, and her confusion. It’s been part of what fans love about The Summer I Turned Pretty. An original song or songs could deepen that emotional bond. It might give the film a signature moment that resonates beyond the story.

Related: Why Women Love ‘The Summer I Turned Pretty’ And You Can Too

Conclusion

While The Summer I Turned Pretty Movie is now a fait accompli, Jenny Han confirmed the film will close out the story, set to be written and directed by her. The possibility of Taylor Swift creating new music remains unconfirmed. Still, her work has been intertwined with the series’ emotional core. It’s easy to see why many hope she will. Fans should keep watch for announcements regarding the soundtrack. A Swift original could become one of the movie’s most anticipated surprises.

@people #TheSummerITurnedPretty author and showrunner #JennyHan told PEOPLE why “Dress” and “Out of the Woods” were the #TaylorSwift songs she used as Belly and Conrad *finally* ended up together. ✨ Read more at the link in our bio. #TSITP #SwiftTok ♬ LOFI Summer Sunset Beach(1551042) – NARU

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