Catherine Kate Middleton, duchesse de Cambridge, le prince William, duc de Cambridge, le prince Harry, duc de Sussex, Meghan Markle, enceinte, duchesse de Sussex, le prince Charles, prince de Galles lors de la messe en l'honneur de la journée du Commonwealth à l'abbaye de Westminster à Londres le 11 mars 2019. 11th March 2019 London UK Britain's Queen Elizabeth is joined by Prince Charles, Camilla, Duchess of Cornwall, Prince William and Catherine, Duchess of Cambridge, Prince Harry and Meghan, Duchess of Sussex and Prince Andrew at the Commonwealth Service at Westminster Abbey in London, Monday, March 11, 2019. Commonwealth Day has a special significance this year, as 2019 marks the 70th anniversary of the modern Commonwealth - a global network of 53 countries and almost 2.4 billion people, a third of the world's population, of whom 60 percent are under 30 years old. Also acting is British Prime Minister Theresa May. - Photo