Omid Scobie in his book "Endgame" cited a former palace aide who said that the Princess of Wales can be "cold" to those she does not like.
Piers Morgan namedropped the two senior royals on his "Uncensored" TV show following the book's release on November 28.
A Dutch version of Omid Scobie's book "Endgame" named the royal who raised concerns over the skin colour of the couple's son, Prince Archie.
Omid Scobie claimed the Prince of Wales issued a "swift" statement in his need to "distance himself" from the incident.
Omid Scobie said the Princess of Wales was "never a fan" of the Duchess of Sussex.
The singer, along with Adele, Ed Sheeran, Elton John, and more big names, turned down invites to perform for His Majesty.
The show allegedly shifted media attention from His Majesty's early months as the new monarch.
Royal author Omid Scobie says the monarch frustrates royal family members over his unwillingness to "fix things" with his youngest son.
In his book "Endgame," royal author Omid Scobie claims the Princess of Wales "shivers" whenever she hears the Duchess of Sussex's name.
The Duke and Duchess of Sussex told Oprah Winfrey in 2021 that there were concerns raised by certain royals over how dark Prince Archie's skin would be prior to his birth.
The Princess Royal allegedly persuaded King Charles III to have the Sussexes return the keys to the cottage.
The royal gave birth to her second son, Ernest George Ronnie Brooksbank, on May 30, 2023.
Buckingham Palace said the group received the special award "in recognition of their role as Advocates for the COP26 Summit in Glasgow".
The Prince and Princess of Wales showed a rare PDA moment while in a room surrounded by dignitaries.
The K-Pop group attended a banquet at Buckingham Palace held to welcome South Korean President Yoon Suk Yeol to the U.K.
The show's creator and cast members will join a panel discussion during season 13 of the ATX TV Festival.
The Prince of Wales inherited the baldness gene from his father King Charles III, who got it from the late Prince Philip.
The Duke of Sussex followed in the late monarch's footsteps after she made the ceremonial puck drop at a Canucks vs. Sharks game 21 years ago.