Who Wore It Best? Julia Garner, Heidi Klum, Alessandra Ambrosio, and More Celebrities Stun at the Opening Ceremony and “Leave One Day” Cannes Premiere
The 78th Annual Cannes Film Festival officially began this week, on May 13th, 2025, with the opening ceremony and screening of “Leave One Day” (Partir Un Jour) in the Palais des Festivals, with numerous famous faces walking the red carpet in well-designed gowns that added to the event’s beauty and elegance.
Prominent celebrities attending the opening ceremony and red carpet for the “Leave One Day” Cannes premiere included Julia Garner, who set a fashion trend with her avant-garde outfit; Heidi Klum, whose romantic design accentuated her supermodel physique and showcased her natural grace; Eva Longoria, who exuded confidence and beauty in her embellished two-tone gown; Alessandra Ambrosio, who mesmerized attendees with her thigh-high split attire; and Irina Shayk, who embodied dramatic sophistication in a polka-dot dress.
1. Julia Garner: A Vision in Gucci
Let’s begin this blog post with Julia Garner, a 31-year-old Gucci global brand ambassador and actress who looked stunning at the 78th Cannes Film Festival Opening Ceremony and “Leave One Day” premiere.
The actress from “Apartment 7A” turned heads when she walked the stage in a custom Gucci black long-sleeve ruched gown with gold sequin accents, a round neckline, a tiered sheer skirt secured with a golden brooch, a daring thigh-high slit, and a sheer train.

Julia Garner, an actress on Netflix’s “Ozark,” completed her ensemble with Gucci black peep-toe platform sandals and Pasquale Bruni jewelry, including Ghirlanda Atelier earrings and a Vento Atelier ring.
2. Heidi Klum: Effortless Glamour in Elie Saab
Heidi Klum, known for her stunning red carpet appearances that never fail to impress the audience and fashion aficionados at the annual Cannes Film Festival, attended the opening ceremony and premiere of “Leave One Day” (Partir Un Jour), dressed elegantly in an Elie Saab flowery costume inspired by the label’s ready-to-wear “1001 Seasons of Elie Saab” runway show.
Heidi Klum, a 51-year-old producer and television personality, donned a breathtaking pink strapless gown with layers of organza that resembled flower petals, a thigh-high slit, and a sweeping train, which she paired with stunning stiletto heels and Lorraine Schwartz jewels.

What are your thoughts on Heidi Klum’s romantic design, which perfectly highlighted her model shape while emphasizing her natural grace and poise?
3. Eva Longoria: Chic and Sophisticated in Tamara Ralph
Eva Longoria, another stunning fashion icon, accompanied Heidi Klum at the 78th Cannes International Film Festival’s opening ceremony and “Leave One Day” premiere screening.
Eva Longoria, L’Oréal Paris global brand ambassador, appeared at the event looking lovely in a Tamara Ralph two-tone gown with sparkling bugle bead embellishments inspired by the Haute Couture Spring/Summer 2025 RTW presentation at Paris Fashion Week.
The gown had a rose gold and black sleeveless corseted bodice with an exaggerated twisted bow at the back, representing elegance and grace. To finish her breathtaking ensemble, the “Land of Women” actress wore a Pasquale Bruni jewelry set that includes an “Aleluiá” necklace, matching earrings, and “Feel” rings.
Eva Longoria exuded confidence and glamour.
4. Alessandra Ambrosio: Emerald Elegance by Zuhair Murad
Not to be outdone, Victoria’s Secret model and fashion queen Alessandra Ambrosio dominated attention as she posed for photographers during the 78th Cannes Film Festival’s opening ceremony and “Partir Un Jour” screening. Alessandra Ambrosio, 44, attended the event dressed up in a Zuhair Murad emerald strapless gown inspired by the brand’s Haute Couture Spring/Summer 2025 RTW collection show and featuring a sweetheart neckline top with wraparound ruching accents for a figure-flattering silhouette.

The gown also had a long skirt with a train, a side thigh-high split to highlight the legs, and a statement-making detachable ruffled sleeve, and she finished it with heeled sandals and Pomellato high jewelry pieces, including the “Asimmetrico Tanzanite” necklace, “Iconica” earrings, and “Asimmetrico Tanzanite” ring, all of which exemplified the ideal balance of glamour and sophistication.
Alessandra Ambrosio effortlessly left everyone in amazement, or so you believe.
5. Irina Shayk: Timeless Sophistication in Armani Privé
Finally, Irina Shayk, known for her ability to make an impression, attended the 78th Cannes Film Festival’s opening ceremony and screening of “Leave One Day” dressed in a throwback ensemble inspired by the Armani Privé Haute Couture Fall/Winter 2019/2020 ready-to-wear collection.

The “Hercules” actress wore a black off-the-shoulder tulle gown with white lamé polka dot decorations, a tailored top, a voluminous skirt, and a dramatic cape and completed her look with gorgeous black velvet gloves and stunning rings.
Which of Julia Garner, Heidi Klum, Eva Longoria, Alessandra Ambrosio, and Irina Shayk’s looks from the Opening Ceremony and “Leave One Day” Cannes Premiere Red Carpet were your favorites? Let me know in the comments section below, and be sure to follow Fashonation Bellah Kwamy for more celebrity fashion updates.
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