Mia Threapleton Wear in Custom Oscar de la Renta at the 78th Annual Cannes Film Festival

At the 78th Annual Cannes Film Festival on May 18th, 2025, Mia Threapleton made a striking impression at the global premiere of Wes Anderson’s much-anticipated film The Phoenician Scheme. The young actress graced the red carpet in a custom emerald silk faille gown by Oscar de la Renta, turning heads with a flawless blend of classic elegance and modern glamour. The gown featured a structured, draped bodice that sculpted her silhouette beautifully, showcasing the house’s mastery in tailoring and design.

The highlight of the ensemble was the exquisite gilded leaf embroidery, which was hand-sculpted and delicately placed to trace the curves of the gown. The gold leaves referenced Oscar de la Renta’s archival collections, where natural motifs often played a central role. The emerald green fabric, rich and opulent, contrasted stunningly with the gold embroidery, making the entire look shimmer under the lights of the Croisette. This color pairing not only echoed nature’s beauty but also emphasized high fashion’s enduring love affair with luxurious contrasts.

Mia completed her look with a thoughtful selection of accessories that let the gown remain the centerpiece. She wore understated gold jewelry adorned with diamonds—elegant pieces that enhanced the gilded accents of her dress without overpowering them. The simplicity of the jewelry created a perfect balance, lending the ensemble a timeless appeal. Every element, from the jewelry to the gown, was curated to highlight grace, sophistication, and star power befitting the Cannes red carpet.

Beauty-wise, Threapleton embraced a fresh, natural look that added to her effortless charm. Her makeup was applied in soft, pink-beige tones, giving her complexion a radiant, barely-there finish. To complement the organic feel of her outfit, she wore her hair in loose, natural curls, styled in a romantic, flowing manner. This soft, glamorous hairstyle tied the entire look together, emphasizing her youthful elegance while allowing the couture gown to shine as the centerpiece of the ensemble.

All images Mia Threapleton Wears in Custom Oscar de la Renta to Cannes Film Festival by Getty Images and styled by Farrah O’Connor.