March 18, 2026, was a big day for the royal family. King Charles, Queen Camilla, Prince William, and Princess Kate all gathered with Nigerian President Bola Ahmed Tinubu and his wife, First Lady Oluremi Tinubu, for the Nigerian state banquet, People reported. The group gathered at a banquet in St. George’s Hall in Windsor Castle. Before the evening began, Princess Kate and Prince William posed for a new portrait, and it’s positively stunning. View this post on Instagram A post shared by The Prince and Princess of Wales (@princeandprincessofwales) Princess Kate and Prince William Shared the Portrait on Social Media Christianah Ebenezer captured the stunning photo ahead of the event. Princess Kate looked gorgeous in her emerald gown and stunning tiara, while William stood dapper in dress uniform next to his wife. The couple shared the photo on social media, and fans immediately shared how much they loved it. “I do not take these photos for granted! So happy to see The Princess of Wales looking so beautiful and radiant,” a follower shared. “Here it is, our State Banquet Portrait. Thank you for sharing,” another person wrote. Many thanked Prince William and Princess Kate for sharing the new portrait. “Thank you so much, a comment reads. “We were all expecting this portrait last night and we were sad to not see it since the ones last year were amazing. You both look absolutely gorgeous and elegant.”  “Wonderful couple,” another person added. “So beautiful.” Many loved seeing Princess Kate in the stunning green dress and agreed this might be her best formal look yet. “What an incredible photo, their royal highnesses looked radiant!” A Fan wrote. We have to agree with this person. “I feel like the color green looks amazing on Kate! Of all the colors, this is the one that suits her best,” they wrote. This story’s featured image is by Aron Chown – WPA Pool/Getty Images.