The couple tied the knot at St. George's Chapel at Windsor Castle in 2018.
The Duke and Duchess of Sussex and the Prince and Princess of Wales attended the queen's funeral.
Queen Elizabeth's coffin leaves Westminster Abbey in the royal procession.
Prince Harry did not wear his military uniform for his grandmother, Queen Elizabeth's, funeral service.
The Duke and Duchess of Sussex were seen with the Prince and Princess of Wales and their kids at the funeral of Queen Elizabeth II.
King Charles arrives at Westminster Abbey alongside his mother, Queen Elizabeth's, coffin.
Prince William, Kate Middleton, their kids, George and Charlotte, Prince Harry and Meghan Markle arrive at Queen Elizabeth's funeral.
The Duke of Sussex and the Prince of Wales previously participated in the processional from Buckingham Palace to Westminster Hall.
Prince Harry previously wore his military uniform while standing vigil over his grandmother's coffin.
The Duchess of Sussex has been involved in several of the official events honoring the late British monarch.
The queen's grandchildren reunited for the touching tribute to the late monarch.
The reception is being held for world leaders ahead of Queen Elizabeth's state funeral.
ET breaks down the royal family’s biggest scandals, from Megxit to King Charles and Princess Diana’s divorce.
'The New Royals' author, Katie Nicholl, details why Queen Elizabeth's children and grandchildren stand vigil over her coffin.
