As King Charles III receives treatment for cancer, he remains Britain’s monarch and head of state.

Prince Harry took a break from paternity leave to announce the return of his Invictus Games, which supports the rehab and recovery of wounded veterans.

It won't be long before Archie Harrison Mountbatten-Windsor is a big brother.

One of the most dramatic claims in Prince Harry and Meghan's interview with Oprah Winfrey was that their son was denied a royal title, possibly because of the color of his skin. (Dominic Lipinski/Pool via AP, File)LONDON – One of the most dramatic claims in Prince Harry and Meghan's interview with Oprah Winfrey was the allegation that their son was denied a royal title, possibly because of his skin color. Harry and Meghan’s son, seventh in line to the British throne, is Archie Mountbatten-Windsor. In contrast, the children of Harry’s older brother, Prince William, are Prince George, Princess Charlotte and Prince Louis. AdA decree issued by King George V in 1917 limits the titles of prince and princess to the children of the monarch, children of the monarch’s sons and “the eldest living son of the eldest son of the Prince of Wales” — that’s William’s son Prince George.

Prince Harry, Duke of Sussex, Meghan, Duchess of Sussex, and Prince Archie Harrison Mountbatten-Windsor attend the King Power Royal Charity Polo Day at Billingbear Polo Club on July 10, 2019, in Wokingham, England. (CNN) - Meghan, Duchess of Sussex took her two-month-old son Archie to his first polo match on Wednesday, in one of his first outings since his birth. The pair cheered on Archie's father, Prince Harry, and brother-in-law Prince William, as the royal siblings played against each other at Billingbear Polo Club in Surrey, England. Meghan cradled and kissed the baby -- whose full name is Archie Harrison Mountbatten-Windsor -- as she arrived at the venue. The Sussexes and Cambridges had not previously been seen together at a public event since Archie was born in May.

Serena Williams says her close friend, Meghan Markle, totally understands why she won't be able to attend baby Archie's christening. A royal source told ET that Doria Ragland, Meghan's mom, will be by her daughter's side for the special day, while Queen Elizabeth, who has a prior commitment, will not be able to attend. During a recent BBC interview, Serena Williams shared why she doesn't plan on sharing any parenting advice with Meghan Markle right now. Get more royal baby news below. RELATED CONTENT:See How Meghan Markle Paid Tribute to Son Archie While at WimbledonRoyal Baby Archie's Christening: Everything We KnowPrince Harry and Meghan Markle Eager to Give Baby Archie a 'Normal Life'

The duchess, 37, gave birth a week ago to her first child, Archie Harrison Mountbattan-Windsor. (CNN) - The infant son of Prince Harry and Meghan Markle -- the Duke and Duchess of Sussex -- will be christened Saturday, a royal source tells CNN. The christening of Archie Harrison Mountbatten-Windsor will be a small, private event with fewer than 25 friends and family members in attendance, the source said. It will be held at a private chapel in Windsor Castle. The-CNN-Wire & 2019 Cable News Network, Inc., a Time Warner Company.