Meghan Markle and Prince Harry are expecting their first child in the spring. The Duchess and Duke of Sussex are seen here on Oct. 3. Chris Jackson/Getty Images hide caption
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Bishop Michael Bruce Curry delivering the sermon during the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle in St George's Chapel, Windsor Castle. OWEN HUMPHREYS/AFP/Getty Images hide caption
Prince Harry and Meghan Markle became the Duke and Duchess of Sussex upon their wedding at St. George's Chapel at Windsor Castle on Saturday. WPA Pool/Getty Images hide caption
Prince Harry and Meghan Markle greet tourists from the glossy surface of a postcard sold Friday in Windsor. The pair — the real people, not their images, we mean — will wed at St. George's Chapel in Windsor Castle on Saturday. Oli Scarff/AFP/Getty Images hide caption
In this May 2, 2018 photograph provided by Kensington Palace, Britain's Princess Charlotte cuddles her brother Prince Louis, on her third birthday, at Kensington Palace, in London. Duchess of Cambridge/AP hide caption
Britain's Prince William and Kate, Duchess of Cambridge pose for a photo with their newborn baby son as they leave the Lindo wing at St Mary's Hospital in London. Kirsty Wigglesworth/AP hide caption
Actor Meghan Markle and Prince Harry attend the Wheelchair Tennis on Day 3 of the Invictus Games Toronto 2017 at Nathan Philips Square in September. Karwai Tang/WireImage hide caption
Geologists studied these scraps of diamond leftover from the shaping of big jewels. Evan Smith/Gemological Institute of America hide caption
Prince Charles, Prince of Wales smiles with President Obama at the White House Thursday. Chris Jackson/Getty Images hide caption
The White House said the president was looking forward to "thanking The Duke of Cambridge for the hospitality shown to him by the Royal Family during the President's recent visits to the United Kingdom." Jacquelyn Martin/AP hide caption
Flight Lt. Wales (a.k.a. Prince William or the Duke of Cambridge). Arthur Edwards/Getty Images hide caption
Prince Andrew, Duke of York, seen here at Ascot Racecourse in June, was confronted by police in a garden at Buckingham Palace, who ordered him to identify himself. Chris Jackson/Getty Images hide caption
Crowds of tourists gather on the steps of the Queen Victoria Memorial Statue outside Buckingham Palace in central London on Monday. Justin Tallis /AFP/Getty Images hide caption
The Duchess of Cambridge receives a bouquet of flowers, as she leaves after a visit to Hope House in London on Tuesday. The former Kate Middleton appeared unaffected by the controversy surrounding remarks made by author Hilary Mantel. Matt Dunham/AP hide caption
April 29, 2011: Their Royal Highnesses Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge kiss on the balcony at Buckingham Palace after their wedding. Peter Macdiarmid/Getty Images hide caption