In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Princess Andrew, the third child and second son of Queen Elizabeth and Prince Philip, helps his daughter Princess Eugenie walk up the stairs of St. George's Chapel (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Lady Louise Windsor, the 14-year-old daughter of Prince Edward and Sophie, Countess of Wessex, battles the wind as she shepherds the large group of young bridesmaids and pageboys inside St George's Chapel (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Chelsy Davy and other wedding guests hold onto their head wear in the windy conditions as they arrive ahead of the wedding (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Members of the royal family look on as Princess Eugenie and her father, Prince Andrew, make their way down the aisle (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Kate Middleton stunned in a Alexander McQueen mulberry pink dress which featured puffed shoulders. Kate also wore a matching fascinator (as required by all guests attending the ceremony) from Philip Treacy. (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

The bridesmaids and page boys, including Prince George and Princess Charlotte, having a little fun before the ceremony (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Meghan dazzled in a navy blue dress and coat by Givenchy and a hat by Noel Stewart. She also wore suede Manolo Blahnik BB pumps (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Jack Brooksbank and Princess Eugenie of York exchange rings during their wedding ceremony at St. George's Chapel (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Princess Eugenie's mother Sarah Ferguson and Eugenie's sister Princess Beatrice wave to the crowds at St. George's Chapel on October 12, 2018 in Windsor (Photo by Victoria Jones - WPA Pool/Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Princess Eugenie shares a kiss with Jack Brooksbank after the couple married in St George's Chapel, Windsor. (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Queen Elizabeth II and Prince Philip at the wedding of Princess Eugenie and Jack Brooksbank (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Sarah Ferguson, Duchess of York and Princess Beatrice of York look on as the couple leave in the royal carriage (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Princess Eugenie makes her way to the car as she leaves Windsor Castle after their wedding for an evening reception at Royal Lodge (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Princess Eugenie and her husband Jack Brooksbank travel in the Scottish State Coach during their carriage procession following their wedding at St George's Chapel (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

The wedding cake, which was created Sophie Cabot for the wedding, pictured in St. George's Hall at Windsor Castle (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Cara Delevingne looked dapper in a full tuxedo look by Emporio Armani, complete with top hat, cummerbund, and even a toothpick (Photo by Matthew Crossick - WPA Pool/Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Demi Moore also made an appearance, sporting a maroon dress and matching fascinator (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Naomi Campbell stepped out in a gorgeous and slightly edgy fringed dress (Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Liv Tyler, her husband Dave Gardner, Kate Moss and her daughter Lila Moss attend the wedding of Princess Eugenie at St. George's Chapel (Photo by Alastair Grant- WPA Pool/Getty Images)

In Pictures: Princess Eugenie weds longtime partner Jack Brooksbank

Kate Middleton struggles to keep her dress from flying away (Getty Image