That was the only time Her Majesty has worn it.
Giving her personal recollection, the Queen also revealed how she had struggled with her coronation dress, which was embroidered in silk with pearls, and gold and silver thread.
Here is the Queen watching archive footage of the momentous day and revealing the sense of history, and humour, that has characterised her reign.
"You can't look down to read the speech", she said in the interview. Talk about the under-statement of these times.
Despite the physical discomfort her coronation caused, the queen recognizes the event's significance.
Sixty-Five Years Later, the Queen Recalls Her Coronation
The crown was made for George VI's coronation in 1937 and is set with 2,868 diamonds including 17 sapphires, 11 emeralds and hundreds of pearls, including four known as Queen Elizabeth I's earrings.
Bruce told reporters at a press screening of the documentary that the Queen seemed very at ease with the Crown Jewels, even grabbing a table the crown was resting and dragging it closer. "It's only sprung on leather, not very comfortable". "So there are some disadvantages to crowns, but otherwise they're quite important things". The horses couldn't possibly go any faster.
"I remember one moment when I was going against the pile of the carpet and I couldn't move at all", she said.
After succeeding the throne after the death of her father George VI, the Queen explains how she had the crown adjusted to make it more feminine and smaller. "Bit rash, but that was the sort of thing they did, I suppose, in those days".
According to UK's The Telegraph, the footage is shown as part of an hour-long BBC One documentary "The Coronation" which airs in the United Kingdom this weekend and features behind-the-scenes footage of the Queen, capturing her sense of humor and life in the palace.
The documentary is part of the Royal Collection Season, a major partnership between the and Royal Collection Trust, which also features the four-part television series Art, Passion And Power: The Story Of The Royal Collection.