Royals Kate Middleton & Prince William Return to Wedding Venue with Meghan & Harry for Somber Service The royal couple attended a service to mark the Centenary of the Armistice at Westminster Abbey By Stephanie Petit Stephanie Petit Stephanie Petit is a Royals Editor, Writer and Reporter at PEOPLE. People Editorial Guidelines and Simon Perry Published on November 11, 2018 01:42 PM Share Tweet Pin Email Prince William and Kate Middleton have returned to a special place for a significant reason. On Sunday, the royal couple attended a service to mark the Centenary of the Armistice at Westminster Abbey, where they tied the knot in 2011. They joined Queen Elizabeth, Prince Charles, Camilla, Duchess of Cornwall, Prince Harry, Meghan Markle and other members of the royal family for the ceremony marking 100 years since the end of World War I. Gareth Fuller/PA Images via Getty Images They all wore red poppies, the symbol of remembrance for World War I and veterans. Kate went for a royal rewear in a green coat that she previously wore with an Irish Guards brooch on St. Patrick’s Day in 2017. She added a chic Jane Taylor hat that was designed as a crescent moon in black silk velvet. Can’t get enough of PEOPLE’s Royals coverage? Sign up for our newsletter to get the latest updates on Kate Middleton, Meghan Markle and more! The service caps off a busy Remembrance Day weekend for the royals. The Royal Fab Four reunited for the first time since July on Saturday evening for the Festival of Remembrance Service at Royal Albert Hall, kicking off Meghan’s first Remembrance Day as part of the royal family. Leon Neal/Getty Images Leon Neal/Getty Images Leon Neal/Getty Images) Leon Neal/Getty Images On Sunday, they joined other members of the family to honor the country’s war dead at a Remembrance Day ceremony at the Cenotaph war memorial in London. Last year, Queen Elizabeth chose not to lay a wreath at the ceremony but to hand the duty off to her son and heir, Prince Charles. The 92-year-old monarch followed this new tradition again. An equerry laid a wreath on behalf of her 97-year-old husband Prince Philip, who retired from his royal duties in 2017 and did not attend.