Queen Elizabeth has been giving a rare lesson which may appeal to fans of The Crown.
The British Monarch has been explaining what it's like to wear The Imperial State Crown, which weighs more than 2lbs.
Her Majesty describes the headpiece as "very unwieldy" and explained that "you can't look down to read your speech, you must bring the speech up - otherwise your neck would break".
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The footage will be shown on BBC One this Sunday, in a new documentary called The Coronation.