1/6
Tim Rooke/Shutterstock
Queen Elizabeth II
The royal monarch arrives in royal blue to Commonwealth Day at Westminster Abbey.
2/6
Tim Rooke/Shutterstock
Kate Middleton
Regal in red! Kate wore a Catherine Walker ensemble for the royal engagement, along with a Sally Ann Provan hat.
3/6
Tim Rooke/Shutterstock
Prince Charles & Camilla, Duchess of Cornwall
The royal couple matches in blue for Commonwealth Day.
4/6
Tim Rooke/Shutterstock
Kate Middleton & Prince William
The Duke and Duchess of Cambridge share a smile as the enter Westminster Abbey.
5/6
Chris Jackson/Getty Images
Prince Harry & Meghan Markle
The Duke and Duchess of Sussex, wearing a caped Emilia Wickstead sheath dress, arrive for their final engagement as senior royals.
6/6
BBC/YouTube
Prince Harry & Meghan Markle, Prince William & Kate Middleton
The royals could be seen sitting in their seats ahead of the ceremony.