While Prince Harry and his grandmother Queen Elizabeth II used to have a great relationship, royal aides claimed things began to deteriorate after he became engaged to Meghan Markle. In the beginning,

Ultimately, the queen felt betrayed by Harry when he and Meghan attacked the institution that she spent her whole life serving,” one source said.

Queen Elizabeth II felt "really upset" by Prince Harry and Meghan Markle over plans for their royal wedding, according to the late monarch's cousin. Lady Elizabeth Anson wrote that the late queen was "not at all content" and noted an incident in which Harry was "rude to her for ten minutes."