The royal monarch arrives in royal blue to Commonwealth Day at Westminster Abbey.
Regal in red! Kate wore a Catherine Walker ensemble for the royal engagement, along with a Sally Ann Provan hat.
The royal couple matches in blue for Commonwealth Day.
The Duke and Duchess of Cambridge share a smile as the enter Westminster Abbey.
The Duke and Duchess of Sussex, wearing a caped Emilia Wickstead sheath dress, arrive for their final engagement as senior royals.
The royals could be seen sitting in their seats ahead of the ceremony.