Compare Princess Diana, Kate’s Balcony Kiss!

When the late Princess Diana married Prince Charles on July 29, 1981, the two had only met 13 times; when Kate Middleton wed Prince William on Friday, the couple had known each other for ten years.

PHOTOS: Inside the royal wedding

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There was more pomp surrounding Diana's big day, while the new Duchess of Cambridge took a modern, less-frills approach to her nuptials.

VIDEO: Watch William and Kate Kiss -- twice!

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Still, the parallels between the royal weddings — nearly 30 years apart — are present in everything from the strikingly similar balcony kisses to the grooms' nearly-identical military uniforms.

PHOTOS: Compare Kate and Diana's weddings

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Watch a side by side comparison of all the best moments from Diana and Kate's wedding days.

Commemorate Will & Kate’s big day with our Us Collectors Edition: Royal Wedding with all the photos, anecdotes and details of the wedding. Available for pre-order now and on sale May 6.

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