Family and friends of Charles and Camilla, foreign royals, politicians, world leaders, celebrities and charity representatives will attend the service in London.
However, there are some royals who won't be in attendance on the day.
Archie's fourth birthday coincides with the same day as his grandfather is crowned, and Prince Harry is expected to make a swift return to California to be back to celebrate his son's special day.
HELLO! takes a look at the other royals who will not be at the coronation.
Flora Vesterberg, pictured alongside cousin Zenouska Mowatt, is also missing out
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