“Working in relief is typically something you associate with stucco and ancient Greek sculptures, where the play with light and shadow stands out clearly. These are the same techniques that Dulong uses in this design.”

The final touch of Mary’s outfit was a gold and purple brooch, pinned simply beneath her coat’s neckline.

The coat was just like the fashion of coat clothes Kate, Princess of Wales usually wears. The royal is understood for her penchant for coat clothes, usually choosing long-sleeved variations with mid-length, pleated skirts.

Fashion professional and superstar stylist Miranda Holder beforehand advised Express.co.uk: “More usually than not, Kate steps out wanting elegant and regal in a coat gown, which has change into a part of her signature search for a number of causes.