Royal Wedding 2018: A complete list of the celebrity guests

Today is the day! Prince Harry and Meghan Markle, aka the future Duke and Duchess of Sussex, are getting married, and the world (well, most of the world) couldn't be more excited.

There are several major stars rumoured to be among the A-list guest attending the nuptials, including GeorgeGeorge (they share a hairstylist with Markle), Serena Williams, Victoria and David Beckham, and Markle's Suits co-stars, including , who have all been spotted arriving in London ahead of the wedding.

Among the first stars to arrive at St George's Chapel at Windsor Castle are actor Idris Elba, musician James Blunt (with his wife
Sofia Wellesley, who is the daughter of the Duke and Duchess of Wellington), and Oprah Winfrey. Elba arrived with his partner, Sabrina Dhowre, while Winfrey's long-time partner Stedman Graham hasn't been seen.

For anyone wondering what Winfrey's connection to the wedding is, a Twitter user shared that Winfrey and Markle's mother, Doria Ragland, attend the same church in LA.

The next big A-list arrivals were the Clooneys and the Beckhams -- Amal Clooney looked resplendent in a yellow dress, while Victoria Beckham chose a navy dress for the occasion. Both women topped off their looks with appropriate headwear.

Meanwhile, before Serena Williams arrived at the location, she shared her Royal Wedding-appropriate look with her fans on Instagram.

She attended with her husband, Reddit co-founder Alexis Ohanian, and she posted another photo on Instagram of their baby daughter, Alexis Olympia, "seeing us off."

Actress Priyanka Chopra, who was long rumoured to be one of Markle's bridesmaids, was a vision when she arrived alongside Markle's Suits co-star Abigail Spencer.

Elton John and his husband, David Furnish, mingled with their celebrity friends ahead of John's reported performance. According to a tweet, John complained about feeling too hot.

James Corden arrived at the wedding with his wife, Julia Carey.

Carey Mulligan and Marcus Mumford (of Mumford and Sons) were surprise guests.

Tom Hardy was also there with his wife, Charlotte Riley, and musician Joss Stone also made an appearance.

Based on the reactions of people on social media, the stars have been a welcome sight.