The Prince and Princess of Wales and the Duke and Duchess of Sussex have come together to honor Queen Elizabeth II.

Prince William, Prince Harry, Princess Kate, and Duchess Meghan greeted mourners in person outside Windsor Castle today—an unexpected appearance following the monarch's death last Thursday.

The royal couples—the princes in matching navy suits and ties, and their wives in elegant black dresses and stockings—in also visited the many tributes left by people outside the late monarch's residence.

A Palace spokesperson tells BAZAAR.com, "The Prince of Wales invited the Duke and Duchess of Sussex to join him and the Princess of Wales earlier."

windsor, england   september 10 meghan, duchess of sussex, prince harry, duke of sussex, prince william, prince of wales and catherine, princess of wales look at floral tributes laid by members of the public on the long walk at windsor castle on september 10, 2022 in windsor, england crowds have gathered and tributes left at the gates of windsor castle to queen elizabeth ii, who died at balmoral castle on 8 september, 2022 photo by chris jackson   wpa poolgetty images
Chris Jackson//Getty Images

After about 40 minutes of exchanging hugs and sympathies with Britons outside the castle, the foursome headed back to Windsor Castle.

The public reunion comes two days after Prince William and Prince Harry reunited privately at Balmoral Castle on Thursday to say their goodbyes to their grandmother' neither Kate nor Meghan joined them in Scotland at the time.

It also comes after King Charles announced William and Kate's new titles as Prince and Princess of Wales, and praised Harry and Meghan in his first speech as the new sovereign of the United Kingdom.

Earlier today, Prince William shared a touching tribute to his grandmother, in which he remembered the love and support the late monarch gave to his family.

"My grandmother famously said that grief was the price we pay for love. All of the sadness we will feel in the coming weeks will be testament to the love we felt for our extraordinary Queen. I will honour her memory by supporting my father, The King, in every way I can," he said.

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Quinci LeGardye is an LA-based freelance writer who covers culture, politics, and mental health through a Black feminist lens. When she isn’t writing or checking Twitter, she’s probably watching the latest K-drama or giving a concert performance in her car.