The royal family took a moment of silence following the fatal event.
The Duchess of Cambridge sampled tomatoes and met with vendors at the giant annual event.
The newlyweds enjoyed a lavish reception at Middleton's family estate.
The Duchess of Cambridge was still 'mom' during sister Pippa Middleton's wedding to James Matthews on Saturday.
The Princes were spotted outside of St. Mark's Church on the Englefield Estate in the English county of Berkshire for the nuptials on Saturday.
The Duchess of Cambridge helped her little sis every step of the way during Saturday's ceremony.
Kate Middleton's little sister tied the knot at St. Mark's Church on the Englefield Estate in England on Saturday.
The 31-year-old tied the knot on Saturday with both her niece and nephew adorably by her side.
The 2-year-old royal rarely left her mother's side.
Pippa married James Matthews in Englefield, England, on Saturday, six years after Kate tied the knot with Prince William.
The 3-year-old royal flashed a mischievous smile after serving as a pageboy.
Here's a look at the elegant wedding and the royal guests.
The 35-year-old royal revealed she was worried about how her kids might behave a week before the wedding.
She avoided the crowds to let Pippa shine on her big day.
