The singer stopped by for a special event honoring teen heroes earlier this month.
After all, the Duchess of Cambridge does have a royal standard to uphold.
The Duchess of Cambridge stepped out to visit one of her patronages in London.
The two couples helped narrate a mental health PSA.
The Duchess of Cambridge also shared a sweet moment with a toddler at the Royal Horticultural Society’s garden at Wisley.
Kate Middleton's brother has spoken candidly about how his dogs have helped him cope with depression.
The children of the Duke and Duchess of Cambridge are attending Thomas's Battersea together.
The duchess previously wore the Michael Kors look to Meghan Markle's wedding rehearsal.
The Duke of Cambridge said his daughter was "very excited."
British tabloids have been criticizing the Duke and Duchess of Sussex for taking private flights even as they advocate for the environment.
The little royals were the cutest sailors at the regatta.
The Duchess of Cambridge was trying out a new color scheme at the King's Cup regatta.
A U.K. plastic surgeon posted side-by-side photos that he says show the duchess had the procedure.
The Duke and Duchess of Cambridge attended the men's final on Sunday.
The royal sisters-in-law watched Simona Halep defeat Serena Willams in the women's singles final.
George, Charlotte and Louis made an appearance too!
The Duchess of Cambridge attended the event honoring Meghan Markle and Prince Harry’s newborn son.
The 5-year-old royal also has another connection to Serena Williams.
Her tennis whites, of course!
The Duke and Duchess of Sussex are parting ways with the Cambridges.