"This is one of the most disgusting traditions I've ever [heard of]," Styles said.
Netizens called the singer's puffy face at the awards "monstrous."
The Sussexes will also be celebrating their son Archie's fourth birthday on coronation day.
Buckingham Palace has yet to announce the Duke and Duchess of Sussex's presence at the ceremony on May 6.
The Queen Consort reportedly kneads His Majesty's back gently to calm him down when he is frustrated.
A body language expert said the Prince and Princess of Wales showed "some fun and intimate public displays of affection."
She said that reports of her fiancé being unfaithful have no basis and should stop.
"I thought I was searching for a Disney Prince… but maybe what I really needed all this time was a Disney Princess."
The couple dated for five years before tying the knot on July 3, 2021.
The Duke of Sussex revealed that the monarch suffers from "constant" back and neck pain.
The clip shows the Princess of Wales reaching for her husband's hand but he chose that moment to wave at the crowd instead.
King Charles III's coronation will take place in London's Westminster Abbey on May 6.
The former royal butler served the former Princess of Wales for ten years until her death in 1997.
The Duke of Sussex criticised King Charles and Prince William in his memoir "Spare."
The actor appeared miserable sitting next to his wife during the 2023 Grammy Awards.
The Sussexes have reportedly hired entrepreneur Adam Lilling "in a bid to boost their earning power."
The Duke and Duchess of Sussex could reportedly make their Met Gala debut this year.
The Princess of Wales is accused of copying the Duchess of Sussex when she hugged her former teacher during the visit.
The singer is now married to Sam Asghari and has two children with ex-husband Kevin Federline.
The Duke of Sussex shared that he lost his virginity to an "older woman" who "loves horses."
Comedians have mocked the Duke of Sussex over his "frostbitten penis" revelation in "Spare."
Selena's fans have been in an uproar as many of them reminded the public that Hailey herself once begged Selena's fans to stop bullying her.
"People wanted to take them off the schoolyard. I had to find clever ways to make them feel everything was normal."
The Queen Consort will wear Queen Mary's Crown at the coronation, which is being modified to pay tribute to Queen Elizabeth II.
The Duke and Duchess of Sussex wed on May 19, 2018, at St. George's Chapel.
The "Don't Worry Darling" director dated the former One Direction singer for two years.
The Duke of Sussex briefly mentioned losing his virginity to an "older woman" in his memoir "Spare."
The singer posted a video on Valentine's Day that may be yet another message for her former partner and his new girlfriend.
Former stable girl Sasha Walpole has since identified herself as the woman who stole the duke's virginity.
The ceremony will take place on May 6 in London's Westminster Abbey.