Before marrying Prince Harry, Meghan was known for her television role in Suits and was an advocate for UN Women, but due to Kate meeting Prince William at university, the Berkshire native spent a large portion of her early 20s preparing to become a duchess.
"She seemed to feel like she had more of a right to speak than her sister-in-law, who had married into the family as an unknown whereas Meghan regarded herself as a philanthropist who could teach the royals a thing or two about charity," the insider noted.
The Sussexes, along with The Wales, were dubbed the "Fab Four," and they were seen as symbols for the monarchy's future, but the anonymous pal shared that the Duchess of Sussex was surprised to learn The Royal Foundation was already well-established.
“I think she just thought it was sort of like being another actress, you know," she added.
"She was dazzled by the worldwide fame that being a princess would bring, but she was shocked by the palace protocol and by the fact that she was not and never could be first in the pecking order," the source said.
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"She hated being a second-rate princess – second to Catherine Middleton, I mean. She thought she would be living in Windsor Castle, for example, and just couldn’t believe it when she and Harry were given Nottingham Cottage on the grounds of Kensington Palace," the anonymous palace staffer continued.
"She hated the fact that she had to do what she was told and go where she was told in the endless, and to a large extent pointless royal round," they concluded.
Sources spoke to The Telegraph.