One of the biggest changes were to the vows Markle took. While we're still buzzed by Meghan's custom Givenchy dress and the sight of Prince Harry biting his lip when looking at his new wife, we're also slightly-to-completely obsessed with another thing we witnessed during the royal nutpials - by that we mean, guests dressed in extremely on-brand British wedding hats. The actress quickly decided that Harry's father, Prince Charles, would walk her through the Quire aisle.
The presence of Prince Harry's mother, Princess Diana, was subtly felt at her son's wedding to the American actress Meghan Markle, more than two decades after she was killed in a auto crash in Paris. It's not the first time they've marked their love with accessories. For more updates on the royal wedding, follow this live blog.
"You look wonderful", Harry told his bride as she arrived.
"I'm talking about some power".
There were no political leaders among the 600 guests but many celebrities, including Idris Elba, James Blunt, Tom Hardy and James Corden.
Before the wedding, Queen Elizabeth conferred the title Duke of Sussex on her grandson, meaning Ms Markle will be known as the Duchess of Sussex.
After the attractive service in the church, the newlyweds seals their union with a kiss as they stepped outside before setting off on a carriage procession.
"It's a union of different cultures, you've got America and England and a fusion of two people that love people and life".
Hundreds of street parties were held around Britain and there were public screenings in pubs up and down the country.
The newly wedded couple set off in a 1968 Jaguar to the reception hosted by Prince Charles at Frogmore House. Steve Parson AFP
But of course, these are merely a few of the many royal wedding hats worn during the day.
Royals fans with Union Jack umbrella hats partake in the celebration.
They were treated to canapes including Scottish langoustines, English asparagus and Windsor lamb.
The royal couple cut the lemon and elderflower cake, while Charles and Harry made speeches introduced by William.
In another break with convention, Meghan was due to speak at the Frogmore House bash.
The couple met on a blind date in July 2016 and had a whirlwind romance, criss-crossing the Atlantic as she continued filming "Suits" in Toronto. The couple honored Harry's late mother, Princess Diana, throughout the ceremony.
His wedding featured a hymn used at Diana's funeral, at which he and William had walked behind her casket.
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