Royal weddings are very formal occasions filled with tradition and protocol.
But as soon as the public part of the celebrations end and the couple wave goodbye to well-wishers, the lucky guests get to enjoy the private evening party.
And reports from recent weddings - including Meghan Markle and Prince Harry , the Duke and Duchess of Cambridge and Princess Eugenie and Jack Brooksbank - suggest they're a lot of fun.
Most of the details are kept a secret, but Mike Tindall shared a funny story from his special day - and it involves Prince William.
Speaking to Magic Breakfast's Ronan Keating and Harriet Scott ahead of the Duke and Duchess of Sussex's wedding back in May, he explained that all the guests took buses to take them back to the hotel.
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His rugby player pal Lesley Vainikolo decided to rugby tackle William, saying" "Hey Cuz, you're coming with me."
He carried him onto the bus and took him to the back seats.
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Mike said: "Got him on the bus, put him on the back of the bus, and was probably making him drink, a lot, and the police sort of (laugh) and went, 'It's ok,' because Lesley is a big old man.
"After about five minutes, the police said, 'No we need him back'.
"Lesley made the smart decision to let him go."
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"Lesley made the smart decision to let him go."
Mike married Zara, the Queen's grandaughter, in Edinburgh on July 30, 2011.
The couple met in 2003.
