Look: Prince William, Kate Middleton share family photo on 15th anniversary

April 29 (UPI) -- British royals Prince William and Kate Middleton are celebrating their 15th wedding anniversary.

William, 43, and Middleton, 44, formally known as Catherine, Princess of Wales, marked the occasion Wednesday by sharing a new family photo.

The image shows the couple smiling as they lie on grass with their three children, Prince George, 12, Princess Charlotte, 10, and Prince Louis, 8, and their two dogs.

"Celebrating 15 years of marriage," the caption reads.

William and Middleton married April 29, 2011, at Westminster Abbey in London, with an estimated 2 billion people watching worldwide. William's brother, Prince Harry, served as best man.

William is the elder son of King Charles and the late Diana, Princess of Wales. Charles and his second wife, Queen Camilla, are visiting the United States this week and attended a state dinner hosted by President Donald Trump and first lady Melania Trump at the White House Tuesday evening.

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This story was originally published April 29, 2026 at 9:13 AM.