Queen Camilla re-wears stunning Bruce Oldfield dress from Coronation for King's Speech

Today marks the first time a King has delivered the King's Speech in over 70 years.

Last year, Charles delivered the Queen's Speech when he was the Prince of Wales as Queen Elizabeth II was unable to do so.

WATCH NOW: The King's Speech in full

Queen Camilla looked gorgeous today wearing Queen Elizabeth II's Diamond Diadem.

The headpiece is worth an eye-watering £6million.

Most royal fans will recognise the headpiece from coins, postage stamps and banknotes.

The Diamond Diadem was created in 1821, and features 1,333 diamonds in gold and silver.

The headpiece that Queen Camilla wore today had a four-carat yellow diamond at the front.

However, it was altered to incorporate the national emblems of a thistle, shamrock and rose.

These flowers are symbolic of Scotland, Ireland and England, respectively.

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The Diamond Diadem was one of the late Queen’s most significant pieces of jewellery.

Therefore, it was a poignant choice by Queen Camilla for today's event.

Queen Elizabeth II previously expressed her support for Camilla being referred to as "Queen Consort" in in February 2022.