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    1. Fashion
    2. Celebrity Style

    Belly's Sézane Sweaters Start Her French Girl Fashion Era on 'The Summer I Turned Pretty'

    Her coastal aesthetic took a polished, Parisian turn.

    Meguire Hennes's avatar
    By Meguire Hennes
    Published 10 September 2025 In News

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    Belly wore Sézane sweaters in The Summer I Turned Pretty
    (Image credit: Prime Video)
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    My jaw dropped when Belly turned down her semester in Paris during Season 3 of The Summer I Turned Pretty. I needed to see her make an adult decision—and her French girl fashion era unfold. Thankfully, she came to her senses in Episode 9.

    By Episode 10, Belly is dressing like a true Parisian after just months abroad. Unlike Emily In Paris, who does her best to stand out, Belly looks every bit a local in Sézane. As senior news editor, Halie LeSavage, tells me, Parisian people actually wear the French label: Sézane is a French girl favorite during Paris Fashion Week and beyond.

    Around the 20-minute mark, Belly appeared on-screen in the Ysaline Cardigan, one of Sézane's best-sellers. Its crimson mohair wool revived tomato girl summer for fall, without leaning too festive. To no surprise, the $190 knit sold out long before Belly got her hands on it. Perhaps her approval will incite Sézane to bring it back.

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    Belly wore Sézane sweaters in The Summer I Turned Pretty

    Belly channeled her inner French girl in her first Sézane sweater.

    (Image credit: Prime Video)

    Other camera angles revealed Belly paired the Ysaline with fall's indigo denim trend. Turns out, dark-wash jeans are having a moment abroad, too—not just in L.A. among Hailey Bieber and Kendall Jenner. Once again, she opted for a straight-leg fit, which subtly walked the skinny jeans line. (That's a signature for the internet's favorite 21-year-old protagonist.)

    It's unclear which footwear she chose. But knowing Belly, her Salomon XT-4 Sneakers from Episode 9 made another appearance.

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    A Sézane-clad Belly later reunited with Taylor after her shift at the Parisian restaurant, Coquelicot. Belly hugged her best friend in the Luke Jumper: a blue puff-sleeve sweater adorned with snowflake-shaped embroidery.

    Similar to the Ysaline, the Luke is no longer available to shop (unless you're down to bid on eBay). Luckily for me, cerulean long-sleeves are a Sézane staple. For example, the $150 Hugh Jumper is the Luke Jumper's distant cousin.

    Marie Claire Newsletter

    The ultimate daily digest for women of power, purpose, and style.

    By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.

    Belly wore Sézane sweaters in The Summer I Turned Pretty

    She went full winter mode in the Sézane Luke Jumper.

    (Image credit: Prime Video)

    At this point, it's become a hobby to ID Belly's looks during each episode's end-credit scene. Much to my dismay, most pieces from actor Lola Tung's costume rack are sold out.

    Never fear: Marie Claire's resident The Summer I Turned Pretty buff is here. I tracked down ten similar styles for you and I to shop, just in time for sweater season. Spoiler: Sézane has a starring role in my lineup, obviously.

    Shop Sweaters Inspired by Belly

    Emile Cardigan - Red - Alpaca - Sézane

    Sézane
    Emile Cardigan - Red
    $170
    SHOP NOW

    If Belly needs a slightly heavier Sézane, might I suggest the Emile Cardigan?

    Barry Cardigan - Red - Super Kid Mohair - Sézane

    Sézane
    Barry Cardigan
    $120
    SHOP NOW

    V-necks had a moment during last March's Paris Fashion Week. If anyone can bring them back for good, it's Belly.

    Kyla V-Neck Tie Lace Hollow Embroidery Knitted Cardigan

    Simple Retro
    Kyla V-Neck Tie Lace Hollow Embroidery Knitted Cardigan
    $109
    SHOP NOW

    Simple Retro is based in NYC, but their classic catalog screams French girl to me. Between the lace hems and bow necktie, the Kyla knit deserves a spot in Belly's closet.

    Briony Stitch Cardigan-Red Liquorice

    Boden
    Briony Stitch Cardigan-Red Liquorice
    $139
    SHOP NOW

    I'm shocked Boden hasn't made its The Summer I Turned Pretty debut yet. If there was a Season 4, I'd made sure this cardigan was on costume designer Jess Flaherty's radar.

    Eden Wool Cashmere Raglan Cardigan | Red Sorrel

    TOAST
    Eden Wool Cashmere Raglan Cardigan | Red Sorrel
    $430
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    Belly's Sézane cardigan is tomato to a T. Should she crave fall's Chili Flake trend, this Toast topper is right up her alley.

    Hugh Jumper - Blue / Ecru - Kid Mohair - Sézane

    Sézane
    Hugh Jumper
    $150
    SHOP NOW

    Do I wish the Luke Jumper was still available? Of course. But the strikingly similar Hugh Jumper is the next best thing.

    Gaspard Cardigan - Vintage Blue - Super Kid Mohair - Sézane

    Sézane
    Gaspard Cardigan
    $120
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    The Sézane Gaspard is slightly more gray than Belly's knit, but it still feels on brand.

    sezane

    Sézane
    Denisa Jumper
    $145
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    The Denisa was made to be worn with Belly's indigo-colored jeans. Don't you think?

    brochu walker

    Brochu Walker
    The Jolie Fringe Layered Looker
    $428
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    Since Belly's knee-deep in winter, I'd steer her in the direction of this Sézane-ish turtleneck from Brochu Walker.

    Shrunken Crew - Heather Blue

    Guest In Residence
    Shrunken Crew - Heather Blue
    $295
    SHOP NOW

    Gigi Hadid's Guest In Residence is the Sézane of New York. So, if Belly ever visits her brother in the Big Apple, she needs the fan-favorite Shrunken Crew in her suitcase.

    Meguire Hennes
    Meguire Hennes
    Social Links Navigation
    Staff Writer, Fashion

    Meguire Hennes is the fashion staff writer at Marie Claire, where she breaks down the celebrity looks living rent-free in her head (and yours). Whether a star is walking the red carpet or posing on Instagram, Meguire will tell you who they're wearing and why. When she's not gushing about A-listers from J.Law to Rihanna, Meguire also covers breaking industry news.

    Previously, Meguire was the fashion news writer at The Zoe Report. She received a bachelor's degree in fashion studies at Montclair State University, and has freelanced at Bustle, Women's Health, Well+Good, and more. You can find her words across the fashion, beauty, health, and wellness verticals, because her Libra moon wouldn't let her settle on one beat. Follow her on Instagram for BTS moments from her Marie Claire era.

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