Princess Eugenie is marrying Jack Brooksbank today, and guests are gathered at St George's Chapel in Windsor to bear witness to the upcoming nuptials this morning.
Celebrities including Richard Bacon, Pixie Geldof and Jimmy Carr, Cara Delevingne, Robbie Williams, Kate Moss and James Blunt are among the 850 guests in attendance.
The Queen, Prince Phillip, Prince Charles, Prince William, Prince Harry, Kate Middleton and Meghan Markle are also there -and Meghan and Kate made a distinctly celeb-y entrance to the ceremony.
A further 1,200 members of the public, selected by ballot, listened to a live broadcast in the castle grounds. In addition, thousands watched from outside.
See the gallery below for all the celebrities arriving at the Castle this morning:
Princess Eugenie wedding guests - GRAZIA
Pixie Geldof and Jack Brooksbank
Jimmy Carr and Karoline Copping
Richard Bacon
Tracey Emin
Chelsea Davy
Heather Kerzner
David Emmanuel
Naomi Campbell
Liv Tyler and Dave Gardner
Ollie Proudlock and Emma Louise Connolly
Owain Walbyoff and Natalie Pinkham
Ellie Goulding
Cressida Bonas
James Blunt and Sofia Wellesley
Robbie Williams and Ayda Williams
Sophie Countess of Wessex, James Viscount Severn and Prince Edward
Pippa Middleton and James Middleton
Cara Delevingne and James Cook
Sarah Ferguson Duchess of York
Demi Moore and Zac Posen
Princess Charlotte
Catherine Duchess of Cambridge and Prince William
Queen Elizabeth II and Prince Philip
Elliott Spencer and Stephen Fry
Princess Anne and Timothy Laurence
Sophie Winkleman and Lord Frederick Windsor
Jack Whitehall
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