Celebrity

Kate Middleton Leaves Fans Speechless In A Yellow Gown & Princess Diana's Favorite Tiara At State Banquet

October 21, 2026 by Mariam Qayum
shefinds | Celebrity
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Kate Middleton looked ethereal at a state banquet held at Windsor Castle on October 20th to welcome Oman’s Sultan Haitham bin Tarik al Said to the UK.

While the colder weather has many reaching for warmer, darker tones, the Princess of Wales opted for a bold pop of color in a bright yellow Elie Saab gown.

The stunning pleated dress, priced at $6,500, featured a keyhole neckline accented with braided detailing, a flowing sheer cape, and a cummerbund cinching the waist. The elegant design comes from the brand’s Spring/Summer 2025 collection, making it a striking choice for the formal occasion.

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Kate Middleton Stuns In Yellow Elie Saab Gown

Her accessories were equally regal. The mom of three wore the Queen Mary’s Lover’s Knot Tiara, which has long been associated with Princess Diana and was reportedly one of her favorite royal jewels. The late princess last wore the tiara in 1991 before Middleton brought it back into the spotlight in 2015. She completed the look with gold sequined pumps by Aquazzura.

As customary for a state banquet, the Princess of Wales also wore her badge, sash, and star of the Royal Victorian Order, adding another layer of royal grandeur to her ensemble.

Prince William opted for a traditional Windsor tailcoat for the state banquet, completing his formal look with a sash and the star of the Most Noble Order of the Garter, along with the Lesser George.

Online, royal fans praised Middleton’s glamorous appearance, with many applauding her choice of color and her dazzling tiara.

Fans React To Kate's Regal Look

“She wears some of the most stunning crowns,” one person commented on Instagram.

“They look amazing haven't seen them look this regal in a long time,” another wrote.

A third fan shared their admiration, saying, “Catherine in that yellow Elie Saab gown is pure royalty.”

The dazzling evening look followed an equally polished appearance earlier in the day, when Middleton welcomed the Sultan of Oman wearing a green Alexander McQueen coat layered over a black lace turtleneck top. She coordinated the outfit with a matching green fascinator, a quilted green Chanel flap bag, and green suede pumps.

From her vibrant yellow evening gown to her coordinated daytime ensemble, the Princess of Wales delivered two elegant looks for the diplomatic occasion.

Author:

Editorial Assistant

Mariam is an Editorial Assistant and writer at SheFinds, covering everything from style and beauty to health and wellness. Splitting her time between New York and Philadelphia, she brings a sharp eye for trends and a passion for storytelling to the digital space. With a strong editorial background, she’s always exploring the latest in fashion, skincare, and wellness. When she’s not writing or pitching, you’ll find her in the kitchen experimenting with new recipes or planning her next travel adventure. You can reach Mariam at mariam@shefinds.com.