On March 18, 2026, Windsor Castle hosted a state banquet in honour of Nigeria, marking a significant diplomatic occasion attended by notable members of the royal family. The event took place in the majestic St. George’s Hall and brought together King Charles III and Queen Camilla alongside the Prince and Princess of Wales, Prince William and Kate Middleton, who welcomed the Nigerian President, Bola Ahmed Tinubu, and his wife, Oluremi Tinubu.
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Prior to the lavish banquet, the royal couple posed for an elegant portrait taken by celebrated photographer Christianah Ebenezer. The couple shared the photograph on social media platform X, highlighting the significance of the occasion. The image features the Princess of Wales adorned in Queen Mary’s much-admired Lover’s Knot Tiara, a piece steeped in royal history previously worn by the beloved Princess Diana.
Dressed in a gown by designer Andrew Gn, Kate Middleton’s attire featured a vibrant green hue that subtly honoured the colours of the Nigerian flag. Complementing her regal look, she wore earrings from Queen Elizabeth II’s personal collection as well as the Royal Family Order and the sash of the Royal Victorian Order, accentuating the traditional and ceremonial aspects of a state banquet.
Kate’s appearance in the Lover’s Knot Tiara at this banquet marked her first occasion wearing a tiara in 2026. Over the preceding year, she dazzled guests at several state banquets, including those honouring the U.S. and French presidents, and a special gathering for the German president in December 2025, where she showcased Queen Victoria’s grand Oriental Circlet Tiara.
This Nigerian state banquet not only provided an opportunity to celebrate bilateral relations between the UK and Nigeria, but it also displayed Kate Middleton’s evolving style. Fashion commentator Bethan Holt noted that the princess’s recent choices reflected a “subtle style evolution” while navigating the complex realms of fashion diplomacy. Holt remarked that Kate seemed to broaden her sartorial horizons while maintaining a careful balance between glamour and appropriateness, especially on such high-profile occasions.
Kate’s choices at these functions have often attracted attention for their meticulous consideration of diplomatic messaging. According to Holt, each ensemble at the recent banquets embodied “a masterclass in sartorial diplomacy,” ensuring that she struck the right note between elegance and the responsibilities of her royal role.
The 2026 banquet’s glamour was evident as Kate effortlessly embraced her role as a modern princess. Holt commented on the importance of appearing regal during state functions, suggesting that while Kate made a safer fashion choice this time around, she still delivered a truly enchanting ‘wow’ moment. “Every so often, the public wishes to see her embody traditional royal glamour, especially during significant events like state banquets,” Holt explained.
Windsor Castle, with its historical significance and regal aura, provided a fitting backdrop for the evening’s occasion. The gathering not only underscored the long-standing ties between the United Kingdom and Nigeria but also allowed the royal family to extend a warm welcome to their distinguished guests amid an atmosphere of celebration and diplomacy.
As the evening unfolded, it was clear that the Nigerian state banquet was not just a display of grandeur, but also a reaffirmation of the UK’s commitment to fostering international relationships within a modern context. The blend of tradition and contemporary style showcased by the royal couple symbolised a forward-looking approach to diplomacy, well in tune with the evolving nature of monarchy in the 21st century.