The Princess of Wales allegedly gave the Duchess of Sussex "icy stares" during their walkabout on Sept. 10.
The model also missed a charity event in New York City after being seen crying while on the phone.
The pair have been vocal over their plans for a big brood even before conceiving their eldest.
The model had announced in 2020 that she had lost her unborn child in a miscarriage.
King Charles III has yet to make official changes to the royal titles for the Duke and Duchess of Sussex's children.
The Duke of Sussex said his book contains "wholly accurate and truthful" accounts of his life and his experiences.
There have been calls and protests for the new British monarch to abdicate this early into his reign.
Queen Elizabeth II's funeral service will be on Sept. 19 at Westminster Abbey.
The "Paper Towns" actress has been notably absent in recent high-profile events of projects she is closely involved with.
The actor recently broke up with his girlfriend Camila Morrone after four years together.
The Duke of York has been actively publicly participating in funeral events for Her Majesty.
The Duchess of Sussex is accused of secretly hiding a mic pack under her black dress.
The Duke and Duchess of Sussex received backlash for holding hands after a service honouring Queen Elizabeth II.
The book was initially reported for release in November this year.
Famous sports personalities could not help but weigh in on the pair's rocky marriage.
As viewership of the series increases, the final two seasons are anticipated to serve as the ultimate tribute to the late monarch.
Former royal butler Paul Burrell recently spoke about Queen Elizabeth II's greatest legacy.
The singer said she had no creative control over her music videos during her conservatorship.
Britons are mourning their beloved queen who passed away at the age of 96 last Thursday.
The Duke of Sussex said he wrote his book not as the prince he was born but as the man he has become.
Fans pointed out that Ben Affleck is looking gloomy after his extravagant wedding with Jennifer Lopez in Georgia.
Meghan Markle reportedly squashed Prince Harry's suggestion to reconnect with Kate Middleton.
A man has been arrested for heckling Prince Andrew when the Queen's coffin was on its way to St.Giles Cathedral for a memorial service in Edinburgh on Monday.
The former Prince of Wales ascended the throne following the death of his mother, Queen Elizabeth II on Sept. 8.
King Charles sent his love to the Duke and Duchess of Sussex in his first speech as British monarch.
The new monarch is believed to be concerned that the Duchess of Sussex will discuss Queen Elizabeth II's death in her podcast.
The British monarch will be laid to rest at Westminster Abbey, London on Sept. 19.
Fergie was finally invited back to Balmoral Castle after many years of banishment due to the tabloid pictures of the Duchess of York having her toes sucked.
Should an accident befall both the two Princes and the King, Prince Andrew, currently eighth in line to the throne, would be next in line to become regent.
A royal expert strongly believes King Charles III dropped a calculated "subtle nod" to his ex-wife, Princess Diana, in his speech.