After dating a string of high-society men, Pippa chose to settle down with 41-year-old Matthews, who popped the question last summer after nearly two years of dating.
Kate Middleton is returning the favor.
Three-year-old Prince George, third in line to the throne after grandfather Charles and father William, took a starring role with his younger sister as attendants to the bride. A view of St Mark's Church in Englefield, England ahead of the wedding of Pippa Middleton and James Matthews Saturday, May 20, 2017.
Their mother, the Duchess of Cambridge, assisted the children as they entered the church with a loving admonishment to stay quiet.
That would be her brother-in-law, Prince William, and her nephew, Prince George. Both were on their best behavior throughout the ceremony. "It's a really appropriate dress for that venue and the fact she's having a country garden reception". No official guest list has been released.
She wore a dress made by British designer Giles Deacon.
The dress, featuring bespoke silk cotton lace hand appliquéd, has cap sleeves, a high neckline, a corseted bodice and a heart-shaped detail at the back, the statement said.
"It's a privilege to show the craftsmanship that my team produces in London and a real testament to Pippa's support of British fashion".More news: Santorum warns Trump on impeachment: This can't continue
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His creations have been worn by Scarlett Johansson, Victoria Beckham and other celebrities. Flash forward 10 months later: Pippa is now a married woman!
In what was seen by many as the society wedding of the year, Middleton and hedge fund manager James Matthews said their vows in a ceremony at St. Mark's Church in Englefield, west of London.
Prince William, a future king, will be there with his wife Kate, now formally known as the Duchess of Cambridge, and their two children, Prince George, 3, and 2-year-old Princess Charlotte.
Britain's Catherine, Duchess of Cambridge stands with her daughter Princess Charlotte, a bridesmaid.
Could it be a first public engagement for Prince Harry and Meghan Markle?
The tennis star, who has 18 Grand Slam titles, said he will instead focus on grass-court and hardcourt events coming up, like Wimbledon and the United States Open.
Details of the wedding service, reception and celebrations have been kept under wraps by organisers but there has been speculation in the press the day will cost Pippa's parents Carole and Michael Middleton hundreds of thousands of pounds.
The children's mother, Princess Kate, was seen guiding the bridal party out of a vehicle and into St. Mark's Church in Englefield, Berkshire.