• American celebrities turned out for Prince Harry and Meghan Markle’s royal wedding at England’s St. George’s Chapel on Saturday.
  • Thanks to wife Serena Williams, Reddit cofounder Alexis Ohanian was the only tech industry A-lister spotted at the biggest wedding event of the year.
  • Ohanian shared behind-the-scenes photos from the royal wedding on Twitter.
  • The couple scored some of the best viewing seats at St. George’s Chapel.

Thanks to wife Serena Williams, Reddit cofounder Alexis Ohanian scored an invite to the royal wedding of Prince Harry and Meghan Markle at England’s St. George’s Chapel on Saturday.

“In London for my wife’s friend’s wedding,” Ohanian shared to Twitter on Saturday.

So casual.

Celebrities, including Oprah, Amal and George Clooney, Elton John, David and Victoria Beckham, and many of Markle's "Suits" costars descended on Windsor Castle for the royal nuptials.

Ohanian, who is best known as one of the cofounders of Reddit, where he is still executive chairman, was the only tech industry A-lister spotted at the wedding event of the year.

His public profile has risen significantly since marrying tennis great Williams in 2017. The unlikely couple welcomed a baby girl, Alexis Olympia Ohanian Jr., in September.

Ohanian had fun on Saturday sharing behind-the-scenes photos from the royal wedding.

The couple posed for photos with Olympia before arriving at St. George's Chapel.

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Ohanian shared the details of his outfit on Twitter. He wore a bespoke suit made by English tailor Huntsman for the ceremony, and a tuxedo by American fashion icon Tom Ford for the reception.

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Fortune magazine editor Polina Marinova pointed out on Twitter that Ohanian appeared to be wearing American flag socks. "Yes. Had to represent," Ohanian tweeted in response.

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After arriving at Windsor Castle, Williams laughed it up with George Clooney, while Ohanian hobnobbed with his wife Amal. That's English actor Idris Elba in the background.

Foto: source Owen Humphreys/AFP/Getty

Ohanian and Williams had one of the best views in the house. They were seated in the top row on the bride's side of the aisle, at the front of the chapel.

Foto: source Owen Humphreys/Getty and Melia Robinson/Business Insider

Markle calls Williams one of her close friends. The two met at a SuperBowl party in 2010, and became good friends long before either woman started dating their significant others.

Photographers captured Ohanian on his phone before the ceremony began.

Foto: source Dominic Lipinski/Getty

In between the ceremony and the reception, the couple saw the baby."This little Princess joined us for a stroll between outfit changes," Ohanian shared to his 329,000 followers on Instagram.

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On Sunday, Ohanian posted a video of himself getting ready for the wedding. Williams did his makeup. "You may call me Lord Ohanian from now on," he said in the video.

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