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Princess Diana Archive//Getty ImagesLady Diana Spencer, 20, waves to the crowds from a royal coach on her wedding day: July 29, 1981.
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Princess Diana Archive//Getty ImagesPrince Charles, 32, rides in his own carriage to St. Paul's Cathedral, flanked by best man and brother Prince Andrew.
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Tim Graham//Getty ImagesDiana arrives at the Cathedral doors as her bridesmaids fluff the 25-foot train.
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David Levenson//Getty ImagesDiana's dress and veil appear to get caught in the wind as she ascends the stairs of St. Paul's Cathedral.
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Princess Diana Archive//Getty ImagesAnother look at the gown, which was designed by David and Elizabeth Emanuel and recreated for The Crown season 4.
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Anwar Hussein//Getty ImagesDiana begins her walk down the aisle alongside her father, Earl John Spencer.
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Serge Lemoine//Getty Images 8July 1981
STR//Getty ImagesDiana and her father approach Prince Charles at the end of the aisle.
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Fox Photos//Getty ImagesCharles prepares to give Diana her wedding band before the Archbishop of Canterbury, who officiates the ceremony. (Both Prince Charles and Prince William do not wear bands of their own, although Prince Harry does.)
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Fox Photos//Getty ImagesDiana chose to keep her veil on for the ceremony, as opposed to Meghan Markle, whose veil was lifted at the start of the ceremony, and Kate Middleton, who chose to keep her face uncovered.
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Bettmann//Getty ImagesCharles and Diana appear to whisper to one another during their wedding ceremony.
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Tim Graham//Getty ImagesDiana and Charles are trailed by their wedding party, including Celementine Hambro, Catherine Cameron, India Hicks, Sarah Jane Gaselee, Edward Van Cutsem, Lord Nicholas Windsor, and Sarah Armstrong-Jones.
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Hulton Archive//Getty ImagesOne final look at the train before Charles and Diana take a carriage ride as newlyweds.
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Fox Photos//Getty ImagesThe couple surveys the crowd outside of St. Paul's Cathedral, a small sliver of the 750 million people who watched them wed worldwide.
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Princess Diana Archive//Getty ImagesA wide shot of Charles and Diana walking down the stairs to a waiting carriage.
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Tim Graham//Getty ImagesPrincess Diana and Prince Charles are photographed in an open-air carriage ride, as is tradition following royal weddings.
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Princess Diana Archive//Getty ImagesDiana smiles during the carriage ride, as photographers snap pictures of the Spencer tiara on her head.
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