Boys in ceremonial uniform at the civil wedding ceremony of American actress Grace Kelly and Rainier III, Prince of Monaco at the Prince's Palace of Monaco, 18th April 1956. Original publication: Picture Post - 8336 - The Hour Of Marriage - pub. 28th April 1956.

Britain's Prince Harry meets Chewbacca during a visit to the Star Wars film set at Pinewood Studios near Iver Heath, west of London, Britain, April 19, 2016. Prince William and Prince Harry are touring Pinewood to visit the production workshops and meet the creative teams working behind the scenes on the Star Wars films. (Photo by Adrian Dennis/Reuters)

Princess Charlene of Monaco and Prince Albert II of Monaco kiss on the balcony after the civil ceremony of the Royal Wedding of Prince Albert II of Monaco to Charlene Wittstock at the Prince's Palace on July 1, 2011 in Monaco. The ceremony took place in the Throne Room of the Prince's Palace of Monaco, followed by a religious ceremony to be conducted in the main courtyard of the Palace on July 2. With her marriage to the head of state of Principality of Monaco, Charlene Wittstock has/will become Princess consort of Monaco and gain the title, Princess Charlene of Monaco. Celebrations including concerts and firework displays are being held across several days, attended by a guest list of global celebrities and heads of state. (Photo by Pascal Le Segretain/Getty Images)

Escorts of city prince Stefan I on their way to the key transfer for carnival in Maastricht, Netherlands on February 18, 2023. City prince Stefan I symbolically gains power over the city for three days. (Photo by Hollandse Hoogte/Rex Features/Shutterstock)

People participate during the Carnival parades in Port-au-Prince, Haiti, 21 February 2023. Haiti tries to forget the crisis and violence for a few days and has taken to the streets to dance to the rhythm of carnival, a party that comes to an end on 21 February in Port-au-Prince. (Photo by Johnson Sabin/EPA)

Prince Charles, Prince of Wales (R) and Camilla, Duchess of Cornwall (L) visit Seppeltsfield Winery in Barossa Valley, Australia, 10 November 2015. The royal couple are on a 12-day tour visiting seven regions in New Zealand and three states and one territory in Australia. (Photo by Daniel Kalisz/EPA)

People cross a flooded street during a rainstorm as Tropical Storm Hilary arrives Palm Springs, California on August 20, 2023. Southern California is under a tropical storm warning which could bring heavy rains, high winds and flooding. (Photo by Philip Cheung for The Washington Post)

Japan's Mei Tsuruta competes in the rhythmic gymnastics individual qualification and individual team final event during the Hangzhou 2022 Asian Games in Hangzhou, in China's eastern Zhejiang province on October 6, 2023. (Photo by Philip Fong/AFP Photo)