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Princess Catherine wore a lemon-yellow Elie Saab cape dress and Queen Mary’s Lover’s Knot Tiara to a state banquet at Windsor Castle on October 20. The banquet was held during Sultan Haitham bin Tariq al Said’s state visit to the United Kingdom, the first visit by an Omani monarch in more than 40 years, according to Harper’s Bazaar.
Princess Catherine wore Queen Mary’s Lover’s Knot Tiara with a lemon-yellow Elie Saab cape dress at a state banquet at Windsor Castle on October 20, held in honor of Oman’s Sultan Haitham bin Tariq al Said. The banquet was part of a three-day state visit that Harper’s Bazaar reported was the first trip to the United Kingdom by an Omani monarch in more than 40 years.
Catherine’s evening outfit was a look from Elie Saab’s Spring/Summer 2025 ready-to-wear collection. The design had a woven crew neckline, an empire waist and pleated fabric, with a sheer cape trailing behind the princess. A matching bodysuit was visible beneath the semi-sheer skirt, according to Harper’s Bazaar.
She paired the dress with Queen Mary’s Lover’s Knot Tiara, a headpiece she has worn since 2015. Her other accessories included diamond chandelier earrings and a bracelet that had belonged to Queen Elizabeth II, a gold clutch, the Royal Victorian Order sash and star, and the King Charles III Royal Family Order ribbon, the report said.
The banquet followed a welcome ceremony for Sultan Haitham earlier in the day. Catherine’s daytime outfit was an emerald-green Alexander McQueen coatdress worn over a black lace blouse. The state visit brought the sultan together with King Charles III, Queen Camilla, the Prince and Princess of Wales and other members of the British royal family, according to the report.
A Tiara With a Royal History
The appearance combines a contemporary designer look with a piece of jewelry associated with several generations of the British royal family. Queen Mary’s Lover’s Knot Tiara was made for Queen Mary by Garrard in 1913, Harper’s Bazaar reported. It later passed to Queen Elizabeth II, who lent it to Princess Diana on several occasions. Catherine’s use of the tiara connects the formal event to that history, while the Elie Saab dress gives the ensemble a current fashion reference.
The event also had a diplomatic purpose beyond the clothes. A state banquet is part of the formal welcome for a visiting head of state, and this one was held during Sultan Haitham’s visit to the UK. The clothing and jewelry details offer a visible record of the evening, but the visit’s significance rests chiefly on the official engagement between Oman and the United Kingdom.
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The Tiara’s Place in Kate’s Wardrobe
Harper’s Bazaar said Catherine first wore the Lover’s Knot Tiara in 2015 and has returned to it for later formal occasions. Her most recent prior appearance in it cited by the report was a state banquet in March for Nigerian President Bola Tinubu and first lady Oluremi Tinubu. The tiara’s earlier history includes its creation for Queen Mary in 1913 and its later association with Queen Elizabeth II and Princess Diana.
The October 20 banquet was one event in a visit lasting three days. The sultan was greeted at Windsor Castle in a welcome ceremony before the evening dinner. The visit was described by Harper’s Bazaar as the first time an Omani monarch had traveled to the UK in more than 40 years; that characterization is attributed to the source report.
Details Beyond the Outfit
The source report focuses on the banquet and Catherine’s clothing, jewelry and insignia. It does not provide a full account of the banquet’s discussions, agreements or policy outcomes, so those should not be inferred from the fashion coverage. It also does not give further detail about the sultan’s full itinerary or the outcomes expected from the three-day visit.
The report identifies the dress as a design from Elie Saab’s Spring/Summer 2025 ready-to-wear collection, but does not state whether it was tailored or altered for Catherine. It also does not provide details about the provenance of each accessory beyond noting which pieces had belonged to Queen Elizabeth II.
The Visit’s Remaining Engagements
Sultan Haitham’s state visit was scheduled to continue for three days, according to Harper’s Bazaar. The banquet followed the day’s welcome ceremony; the source material does not list the remaining engagements or provide a later schedule. Any further details about meetings or announcements would need to come from subsequent official statements or reporting.
For readers following the royal wardrobe, the report documents Catherine’s latest use of the Lover’s Knot Tiara and a look from Elie Saab’s 2025 collection. It does not establish whether either the tiara or the dress will appear at another event during the visit.
Key Questions
What did Princess Catherine wear to the state banquet?
She wore a lemon-yellow cape dress by Elie Saab, from the designer’s Spring/Summer 2025 ready-to-wear collection, according to Harper’s Bazaar.
Which tiara did she wear?
Catherine wore Queen Mary’s Lover’s Knot Tiara, a piece she has worn since 2015.
Who was the state banquet for?
The banquet at Windsor Castle honored Sultan Haitham bin Tariq al Said of Oman during his state visit to the United Kingdom.
What is the tiara’s history?
Garrard made the tiara for Queen Mary in 1913. It later passed to Queen Elizabeth II, who lent it to Princess Diana on several occasions, Harper’s Bazaar reported.
What is known about the rest of the state visit?
The report says the visit would last three days and that it began with a welcome ceremony before the banquet. It does not list the rest of the itinerary or any outcomes from official discussions.
Source: rss
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