Her dress is a bespoke design by Venezualen designer Carolina Herrera, who was a favourite of American First Ladies.
Meghan is the newest member of the royals and the Queen’s granddaughter-in-law after her marriage to Prince Harry.
While there is no official rule governing what colours royals must wear at the Trooping the Colour parade, Meghan certainly stands out from the other royals.
The Duchess of Sussex’s dress is a similar pale colour to the nude dress Meghan wore to Prince Charles’ birthday garden party.
While Meghan’s nude dress bared her shoulders, Camilla and Kate chose much more conservative looks.