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Prince Harry, Meghan Markle’s Wedding Guests Include A Host Of A-List Stars

So. Many. Celebrities!

We already knew the royal wedding was going to be the event of the year, and all the A-listers who have arrived at Prince Harry and Meghan Markle's nuptials are proof-positive.

On Saturday, guests started arriving as early as 9:30 a.m. GMT (4:30 a.m. EST, 1:30 a.m. PST) at St. George's Chapel at Windsor Castle in anticipation of the big day. The biggest stars to arrive included George and Amal Clooney, Priyanka Chopra, Elton John, and Serena Williams.

Naturally, Markle's Canadian BFF Jessica Mulroney also attended with her husband, etalk host Ben Mulroney. The Toronto-based stylist arrived in London on Wednesday, accompanied by her children — twins Brian and John, and daughter Ivy — who are part of the royal wedding party.

Fellow Canuck Patrick J. Adams, who played Markle's TV husband on "Suits," was also in attendance, as were the bride's other co-stars, including Gabriel Macht, Sarah Rafferty, Gina Torres and Rick Hoffman.

Of course, plenty Royal Family members made an appearance, such as the Duke and Duchess of York and the late Princess Diana's siblings: Sarah, Jane, and Charles Spencer.

Scroll down to see all the other famous faces who attended Harry and Markle's nuptials!

Amal & George Clooney
IAN WEST via Getty Images
Oprah Winfrey
IAN WEST via Getty Images
Victoria & David Beckham
CHRIS RADBURN via Getty Images
Abigail Spencer & Priyanka Chopra
Chris Jackson via Getty Images
Cressida Bonas
WPA Pool via Getty Images
The U.K. actress is one of Prince Harry's ex-girlfriend.
Idris Elba & Sabrina Dhowre
WPA Pool via Getty Images
Pippa Middleton & James Matthews
Chris Jackson via Getty Images
Gina Torres
WPA Pool via Getty Images
James Blunt & Sofia Wellesley
WPA Pool via Getty Images
Serena Williams & Alexis Ohanian
WPA Pool via Getty Images
Charles & Karen Spencer
CHRIS JACKSON via Getty Images
The 9th Earl Spencer is the brother of the late Princess Diana.
Patrick J. Adams & Troian Bellisario
IAN WEST via Getty Images
Gabriel Macht & Jacinda Barrett
WPA Pool via Getty Images
Sarah Rafferty
IAN WEST via Getty Images
James Haskell & Chloe Madeley
IAN WEST via Getty Images

Haskell is an English rugby union player.

Lady Kitty Spencer
WPA Pool via Getty Images
Joss Stone
CHRIS RADBURN via Getty Images
Carole & Michael Middleton
WPA Pool via Getty Images
Alexi & Giada Lubomirski
CHRIS JACKSON via Getty Images
Alexi Lubomirski is the royal wedding photographer.
Marcus Mumford & Carey Mulligan
WPA Pool via Getty Images
James Corden & Julia Carey
WPA Pool via Getty Images
Jonny Wilkinson & Shelley Jenkins
IAN WEST via Getty Images
Wilkinson is a former British rugby player.
John & Norma Major
WPA Pool via Getty Images
John Major is a former British prime minister.

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