Pregnant Kate Middleton wore navy blue over her huge baby bump at Commonwealth Day.
The stunning 36-year-old Duchess wore a navy blue coat, over a navy dress.
She wore a large wide brimmed hat and a glittering broach.
She beamed as she walked in to the Commonwealth Day Service with her husband Prince William, 35.
Kate was joined by Meghan Markle looked bridal in white. She wore the cream coat and a matching hat. The actress added navy shoes, and wore her hair straight.
A navy dress was visible under the coat and she clutched a black bag.
Meghan Markle made her first official appearance with the Queen today. The 36-year-old joins the monarch and other senior royals to celebrate Commonwealth Day at Westminster Abbey.
It will be the Queen’s first public acknowledgement of Meghan, who is set to marry Prince Harry on May 19, since Christmas Day.
Meghan Markle joined the Queen as they Royal Family marked Commonwealth Day at Westminster Abbey with Prince Harry and other members of the royal family.
Prince Charles and Camilla will also be present, as will Prince William and Kate Middleton.
What is Commonwealth Day 2018?
The annual celebration is observed every year across the world on the second Monday of March and this year falls on March 12.
Commonwealth Day brings together people from countries in Africa, Europe, the Caribbean, Americas, Asia and the Pacific.
What countries are in the Commonwealth?
The countries within the Commonwealth currently span approximately 20 per cent of land on earth, with a third of the popularity included (2.419 billion people).
There are currently 53 countries as part of the Commonwealth across the globe.