Duchess Sophie's New Garden Party Dress Is Business in the Front and Daring in the Back

Queen Elizabeth would never.

Duchess Sophie wearing a red dress and smiling
(Image credit: Getty Images)

Since Queen Elizabeth's death, there’s been a subtle but noticeable shift in royal fashion. While women in the Royal Family still err on the conservative side, we’ve certainly seen some changes from the days of constant coat dresses and pantyhose. Duchess Sophie, for one, wore an outfit that she likely wouldn’t have chosen when her late mother-in-law was still alive as she attended a June 1 garden party in Portugal with husband Prince Edward.

Duchess Sophie chose a patterned red maxi dress by Spanish brand Matelier for the sunny event, held at the residence of the UK Ambassador in Lisbon. The long-sleeved Strawberry Date dress mixes shades of bright red and burgundy, and from the front, it looks simple enough. But in a video shared on X by the Daily Express’s deputy royal editor, Rebecca Russell, the plunging back of Sophie’s dress is revealed.

Duchess Sophie in a red dress laughing and standing next to Prince Edward

The Duke and Duchess of Edinburgh attend a garden party in Lisbon on June 1.

(Image credit: Alamy)

Duchess Sophie wearing a low-backed red dress talking to women at a garden party

The back of the duchess's dress is revealed in a video shared by Daily Express editor Rebecca Russell on X.

(Image credit: Rebecca Russell/X)

The nearly backless design features a cowl-style drape with a thin strap of fabric across the shoulders, and the video clip reveals Sophie’s back as she chats to women at the event.

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The Duchess of Edinburgh paired her daring red dress with a pair of burgundy velvet platform sandals by her favorite shoe brand, Penelope Chilvers, and she added bold gold earrings and a ring by Italian designer Giulia Barela, per Instagrammer Royal Fashion Police.

A closeup of Duchess Sophie's red platform sandals

Sophie wears velvet Penelope Chilvers platform heels.

(Image credit: Alamy)

Duchess Sophie wearing a white blazer and green dress standing in front of flags with a woman

Duchess Sophie wore an old favorite Penelope Chilvers style on June 2.

(Image credit: Alamy)

Like Princess Kate, Sophie is a huge fan of Halcyon Days bracelets, and she wore two of the gold bangles from her collection along with a new gold T-bar necklace by Tilly Sveaas.

At the garden party, the Duke and Duchess of Edinburgh met with members of the British community and Portuguese partners who are driving positive social change through charities, social enterprises and other community-focused initiatives.

On Tuesday, June 2, the couple continued their visit to Portugal as Duchess Sophie made a powerful speech related to her role in the UN's Women, Peace and Security agenda. For the event, she kept it business casual in a white Altuzarra blazer and a green-and-white Max Mara shirt dress, adding a pair of white espadrille wedges by Penelope Chilvers that she's worn more than 40 times since 2019.

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Kristin Contino
Senior Royal and Celebrity Editor

Kristin Contino is Marie Claire's Senior Royal and Celebrity editor. She's been covering royalty since 2018—including major moments such as the Platinum Jubilee, Queen Elizabeth II’s death and King Charles III's coronation—and places a particular focus on the British Royal Family's style and what it means.

Prior to working at Marie Claire, she wrote about celebrity and royal fashion at Page Six Style and covered royalty from around the world as chief reporter at Royal Central. Kristin has provided expert commentary for outlets including the BBC, Sky News, US Weekly, the Today Show and many others.

Kristin is also the published author of two novels, “The Legacy of Us” and “A House Full of Windsor.” She's passionate about travel, history, horses, and learning everything she can about her favorite city in the world, London.