Britain's Prince Harry and his wife Meghan are to split from the charitable foundation they share with his older brother Prince William and his wife Kate, Kensington Palace said on Thursday, the latest step in the couple forging their own royal path.
The comment simply read "Happy Birthday to the Duke of Cambridge!"
The birthday message came the day after Meghan and Harry revealed they were splitting from the Royal Foundation, the Fab Four's charity.
"Meghan without Harry would have been well-known, so she's bound to have more opinions about her PR, how they promote themselves as a couple, what they do with their kids".
Royal author Katie Nicholl claims that the Duke of Cambridge's "well-meaning, brotherly advice went down quite badly with Harry, who felt William wasn't being as supportive as he might have been".
Earlier this year, the Sussex account shared a sweet picture of Harry and Philip, describing him underneath as "grandpa".
And for the Queen's birthday, alongside a picture of her as a young woman, they wrote: "Happy birthday your Majesty, ma'am, Granny".
Many pointed out the formal nature of the comment under William's picture, with one writing: "It's your own brother, why the need to be so formal?"
In response, fans commented things such as: '@sussexroyal wishing your brother's just like this is so useless sharing a photo with a kind message would be so nice ❤.' / '@sussexroyal so cold and impersonal!' / '@sussexroyal - wow, pretty cold.
In April, the two princes and their families split households, with Prince Harry and Markle moving to Frogmore Cottage, Windsor, from Kensington Palace, where Prince William and Middleton live.
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