Naomi Campbell arrives ahead of the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Gareth Fuller/Pool via AP)
Naomi Campbell arrives ahead of the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Gareth Fuller/Pool via AP)
Cressida Bonas, left, arrives for the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Matt Crossick/Pool via AP)
Cressida Bonas, left, arrives for the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Matt Crossick/Pool via AP)
Demi Moore, right, arrives ahead of the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Gareth Fuller/Pool via AP)
Demi Moore, right, arrives ahead of the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Gareth Fuller/Pool via AP)
Holly Valance arrives for the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Andrew Matthews/Pool via AP)
Holly Valance arrives for the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Andrew Matthews/Pool via AP)
A guest collects her hat in the wind as she arrives wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Adrian Dennis/Pool via AP)
A guest collects her hat in the wind as she arrives wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Adrian Dennis/Pool via AP)
Tracey Emin, left, arrives for the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Adrian Dennis/Pool via AP)
Tracey Emin, left, arrives for the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Adrian Dennis/Pool via AP)
Chelsy Davy, left, and other guests hold onto their hats in the wind as they arrive for the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Andrew Matthews/Pool via AP)
Chelsy Davy, left, and other guests hold onto their hats in the wind as they arrive for the wedding of Princess Eugenie of York and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Andrew Matthews/Pool via AP)
Guests arrive to attend the wedding of Britain's Princess Eugenie and Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, near London, Friday Oct. 12, 2018. (Adrian Dennis/Pool via AP)
Guests arrive to attend the wedding of Britain's Princess Eugenie and Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, near London, Friday Oct. 12, 2018. (Adrian Dennis/Pool via AP)
Julian Fellowes, center, arrives for the wedding of Princess Eugenie and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Andrew Matthews/Pool via AP)
Julian Fellowes, center, arrives for the wedding of Princess Eugenie and Jack Brooksbank at St George’s Chapel, Windsor Castle, near London, England, Friday Oct. 12, 2018. (Andrew Matthews/Pool via AP)
Princess Eugenie is set to tie the knot with fiancé Jack Brooksbank at Windsor Castle on Friday.

First guests have arrived at  St George's Chapel, among them Prince William and Duchess Catherine, and newlyweds Prince Harry and Duchess Meghan.

The star-studded guest list has already provided appearances from Naomi Campbell, Demi Moore, Pixie Geldof and Robbie Williams, whose six-year-old daughter is a bridesmaid with Princess Charlotte.


See pics below.