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How old is Jeremiah on The Summer I Turned Pretty Season 2? Age explored

In The Summer I Turned Pretty Season 2, Jeremiah is 18 years old, just a year younger than his brother Conrad, and portrayed by 25-year-old actor Gavin Casalegno.
  • A scene from The Summer I Turned Pretty season 3 (Image via Amazon Prime Video)
    A scene from The Summer I Turned Pretty season 3 (Image via Amazon Prime Video)

    The Summer I Turned Pretty is an Amazon Original television series created and primarily written by Jenny Han, with showrunner support from Gabrielle Stanton and Sarah Kucserka, who also serve as executive producers alongside Kenne Rosenfelt and Amazon MGM Studios. The season follows the emotional fallout from Susannah's death, Belly's split from Conrad, and her complicated and changing relationship with Jeremiah, and is based on the second novel in the trilogy, It's Not Summer Without You. On July 14, 2023, The Summer I Turned Pretty Season 2 premiered in the US.

    Jeremiah is enrolled in the same school year as Belly's brother Steven and is one year younger than his older brother Conrad. This third season will probably see him graduate from college at the age of 22. Gavin's character in The Summer I Turned Pretty is three years younger than Gavin, who is 25 years old.

    Season two of the series consists of eight episodes, each lasting between approximately 39 and 60 minutes. Both viewers and critics enjoy the show, and it has been moderately well received by critics and audiences, getting ratings of 60% and 57% from the two groups, respectively. 


    Exploring the ages of the characters in The Summer I Turned Pretty 

    Lola Tung as Belly

    In The Summer I Turned Pretty, Lola Tung plays Isabel “Belly” Conklin, who is 17 in Season 2 and 21 in Season 3. This is the first time the 22-year-old actress has had a role that is almost her age. In Season 1, Belly debuted at the age of 15, aged one year in Season 2, and then turned sixteen that summer. Tung and Belly's emotional bond is strengthened in Season 3 by the actor and character's age alignment.


    Christopher Briney as Conrad

    In The Summer I Turned Pretty, Christopher Briney plays Conrad Fisher, who is 19 in Season 2 and 23 in Season 3. The actor, on the other hand, is four years older than his character—he is 27 years old. At the age of 18, Conrad started the series, getting ready to enroll at Brown University. By Season 2, he is adjusting to college life, and the four-year time jump in Season 3 places him as a young professional who has probably completed medical school, further complicating his relationship with Belly on both an emotional and romantic level.


    Sean Kaufman as Steven

    In the show, Sean Kaufman plays Belly's older brother, Steven Conklin. In Season 3, his character, who was 18 in Season 2, is already working full-time with Adam, the father of Jeremiah and Conrad. Sean is three years older than Steven, at the age of 25. This season's time jump depicts Steven's journey from college graduate to young professional, juggling the obligations of early adulthood with changing interpersonal dynamics.


    Rain Spencer as Taylor

    Rain Spencer plays Steven's girlfriend and Belly's devoted best friend, Taylor Jewel, in The Summer I Turned Pretty. Rain, who is 25 years old, is four years older than her role, whereas Taylor is 17 in Season 2 and 21 in Season 3. After a time leap, Taylor, who is presented as a self-assured "queen bee," negotiates emotional fragility, familial pressure, and a tumultuous romance with Steven. Her growth into a more sincere and grounded young adult reflects the story's greater emphasis on relationships and personal development.


    Where to watch The Summer I Turned Pretty

    All three seasons of The Summer I Turned Pretty, including the recently released Season 3 episodes, are streamed in full on Amazon Prime Video in the US starting on Wednesday, July 16, 2025. Every Wednesday at around 3 a.m. ET, new Season 3 episodes air, with the scheduled finale airing on September 17, 2025.

    The Summer I Turned Pretty is currently available for streaming on Amazon Prime Video with suitable subscription plans: 

    For ad-free streaming, which includes support for 4K resolution and numerous profiles, the Prime subscription costs $11.98/month or $119/year after a 30-day free trial.

    As an alternative, Prime Video + Ads is available for less each month, but there are commercial interruptions, and the video quality is still HD instead of Ultra HD. 


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    TOPICS: How old is Jeremiah on The Summer I Turned Pretty Season 2? Age explored , The Summer I Turned Pretty Season 2