“It was the shade of the Fijian flag.
“That was in the very early days of her pregnancy, we couldn’t really see much.
“But she turned to the side, and I remember she sort of put her arms down by her hips.”
The expert continued: “Suddenly we got this glimpse of a bump and everybody went nuts.
“It’s such a regal silhouette and was so beautiful on her.”
The dress was designed by SAFiYAA and featured a floor-length cape silhouette.
She wore it to an official State Dinner with the President of Fiji Jioji Konrote.
They carried out a three-day visit to the South Pacific island as their first overseas tour.
During the State Dinner, Harry gave a speech, saying: “All over the world Fiji is renowned for its incredible natural beauty and hospitality.
“We, as a couple, feel very lucky to be spending part of our tour as your guests.”
The President also spoke and paid tribute to the Duke’s mother, Diana, Princess of Wales.
The leader said that he was sure the late royal would be “proud of the man” Harry had become and that he had found happiness and love with Meghan.