
Cailee Spaeny modeled for the Miu Miu L'Été 2026 advertising campaign by Billie Scheepers in a sky blue poplin dress with an open back that defines summer layering.
The lacing is everything here. Notice how the spine is framed by those thin, self-tie crisscross drawstring laces that loop through deep side cutouts. It’s a precise architectural move by Miuccia Prada for the Cailee Spaeny in sky blue Miu Miu styling seen in the house’s L’Été 2026 advertising campaign. Captured by Billie Scheepers this June, the shoot highlights a specific tension between the soft, pastel sky blue palette and the rigid, structural nature of the cotton poplin. This isn’t just a sundress. It’s a study in how a crisp, lightweight cotton weave can be manipulated to hold a sharp geometric line.
At the front, a high, tailored sleeveless shirt collar creates a masculine-leaning contrast to the exposed shoulder blades. That collar is cut with such precision that it anchors the entire upper section of the garment, allowing the open back to feel intentional rather than accidental. The matte rigidity of the fabric is the real hero here. Because the poplin behaves with a certain stiffness, it absorbs the soft studio lighting instead of reflecting it, which lets the organic folds along the bunched lower skirt create their own shadows. It gives the photoshoot a discreetly romantic energy that feels grounded in real-world construction.
Then there’s the tactical inclusion of the white matelassé leather Miu Miu Wander hobo bag. The crescent shape is a house signature, but the texture is what matters most in this fashion photoshoot frame. The highly textured, padded matelassé quilting introduces a tactile vibration against the smooth, matte surface of the blue dress. If you look at the rows of miniature raised ridges, they catch the directional light to define the bag’s volume. It’s a smart choice for an editorial release, as the chalk white leather breaks up the monochromatic blue and adds a layer of material complexity to the seasonal transition look.
Serving as an official brand ambassador, Spaeny brings a specific kind of poise to these styled shoot portraits. Her career is currently hitting a massive high-profile peak, with her recent launch in the ensemble cast of Netflix’s Beef Season 2 and her upcoming lead in Wake Up Dead Man: A Knives Out Mystery. This campaign manages to capture that momentum by pairing her with lightweight apparel that feels both prestige and wearable. The way the fabric respond to her pose – forming those structured, heavy folds – proves that the material choice was just as important as the cut.
Practical styling tips often get lost in high-fashion campaigns, but the takeaway here is about the balance of exposure. If you’re going for a high, restrictive collar, an open-back construction is the way to keep the look feeling light for summer. The architectural lacing acts as a built-in accessory, meaning you don’t need heavy jewelry to make the look register. It’s a disciplined approach to summer dressing that feels very much in line with the modern celebrity style direction we’ve seen this year.
Would you wear this open-back style with the laces tied tight or left slightly loose for more movement? For me, the matte finish of the poplin combined with the intricate drawstring detail is a clear 9/10. The lacing logic is pure craft.

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