Prince William 'Best Man' At Prince Harry-Meghan Markle's Wedding: Siblings In Photos

In a video released last year, Prince William had acknowledged: “We have been brought closer together because of the circumstances... we are uniquely bonded because of what we’ve been through. But even Harry and I over the years have not talked enough about our mother.” In this photo, William and Harry arrive to visit the Support4Grenfell Community Hub in London, Sept. 5, 2017. Reuters/Toby Melville
Prince Harry will marry Meghan Markle at St George's Chapel at Windsor Castle on May 19. In this photo, Prince William greets his brother Harry's fiancee as they arrive for an ANZAC day service at Westminster Abbey in London, April 25, 2018. Reuters/Hannah McKay/File Photo
Prince Harry was Prince William's best man at the Duke of Cambridge's wedding to Kate Middleton in 2011. In this photo, Prince William and Prince Harry attend the European Premiere of Star Wars: The Last Jedi, at the Royal Albert Hall, London, U.K., Dec. 12, 2017. Reuters/Eddie Mulholland
On April 23, 2018, Prince William welcomed his third child, a baby boy. In this photo, Prince William (left), and his brother and best man Prince Harry, arrive to Westminster Abbey for William's marriage to Kate Middleton, in central London April 29, 2011. Reuters/Phil Noble
Both Harry and William served time in the British military. In this photo, William (center), Prince Andrew (left) and Prince Harry (right) take part in the Remembrance Sunday Cenotaph service in London, Nov. 12, 2017.Reuters/Toby Melville
Prince Harry, who was fifth in line to the British throne, was moved to the sixth position after Kate Middleton gave birth to her third child on April 23. In this photo, Prince Harry (right) and Prince William attend the wedding of Pippa Middleton, the sister of Kate Middleton, Duchess of Cambridge, and James Matthews at St Mark's Church in Englefield, west of London, on May 20, 2017. Reuters/Justin Tallis/Pool
Prince William and Prince Harry in the past have been involved in several friendly competitions. In this photo, William, Kate Middleton and Harry take part in a relay race, during a training event to promote the charity Heads Together, at the Queen Elizabeth II Park in London, Feb. 5, 2017.Reuters/Alastair Grant
Prince William, Duke of Cambridge and Prince Harry gesture as they walk to look at flowers and tributes left in memory of the late Princess Diana at the gates of her former residence Kensington Palace in London, Aug. 30, 2017. Reuters/Hannah McKay
Prince Harry (right) speaks to Prince William during a charity polo match at Coworth Park, southern England, Aug. 3, 2013.Reuters/Jane Mingay/Pool
Britain's Prince William (R) tries a light sabre against his brother Prince Harry during a visit to the Star Wars film set at Pinewood Studios near Iver Heath, west of London, April 19, 2016. Reuters/Adrian Dennis