Excitement at Windsor Castle is mounting as some of the 2000-plus guests have begun to arrive, ahead of the ceremony of at midday.
Luther actor was among the first famous faces to arrive, delighting the crowds who have gathered to enjoy the momentous occasion.
US megastar Oprah Winfrey is also in attendance.
Chloe Madeley has also entered the venue alongside her rugby player fiance, James Haskell.
Prince Harry’s ex, Chelsy Davy, has also taken her place in the venue.
The Middletons arrived at the venue together, looking relaxed, doubtless thinking back to Pippa’s big day when all the eyes of the world were on her!
Pregnant Pippa looked stunning in a mint green floral dress from The Fold.
Yet to arrive but likely to attend are fashion designer Victoria Beckham and husband David; Victoria recently appeared to confirm during an interview on James Corden’s US chat show that they would be there for the nuptials.
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The famous couple were among the star guests at the wedding of the Duke and Duchess of Cambridge in 2011.
Sir Elton John and husband David Furnish, close friends of the royal family, are expected to be attending.
Musician Sir Elton has cancelled two of his Las Vegas shows this week so he can fly to the UK, according to reports.
US tennis champion Serena Williams, who is a close friend of Meghan, is reported to be another big name on the guest list.
Also rumoured to be attending the wedding in Windsor are the likes of musicians Ed Sheeran and Ellie Goulding, model Cara Delevingne and former Made In Chelsea star Millie Mackintosh.
Meanwhile, Meghan Markle’s former co-stars from the legal drama Suits came together for a dinner on the eve of the Royal Wedding.
Patrick J. Adams, who plays Meghan’s on-screen husband, posted a picture of cast members seated around a table at a restaurant near to Windsor, where the bride-to-be will marry Prince Harry on Saturday.
The 36-year-old Canadian actor captioned the image: “The last supper #royalwedding.”
Other Suits stars at the table included Gina Torres, Sarah Rafferty and Rick Hoffman.
On Friday, the trio of actors appeared on NBC’s Today show to discuss the wedding.
Read more: Literally EVERYTHING you need to know in our Royal Wedding Guide 2018
Rafferty said: “We worked together for so many years on the show. It’s such an amazing experience.
“We were with each other for longer than we went to college or high school with our friends.
“We became family, in a way; we’re still family. So, this is a wonderful family affair.”
Meghan played Rachel Zane, a paralegal-turned-attorney, for seven seasons in Suits before announcing her departure following her engagement to Prince Harry.