The Duke and Duchess of Cambridge are celebrating St Patrick’s Day by attending a parade of the Irish Guards.

The Duchess of Cambridge presents shamrock to officers  (Jonathan Brady/PA)
The Duchess of Cambridge presents shamrock to officers (Jonathan Brady/PA)
The Duke and Duchess of Cambridge (Andrew Parsons/Sunday Times/PA)
The Duke and Duchess of Cambridge (Andrew Parsons/Sunday Times/PA)

William, who is Colonel of the Irish Guards, and heavily pregnant Kate are visiting the 1st Battalion at their base in Hounslow, west London.

The Duchess of Cambridge and the Duke of Cambridge attend the Irish Guards St Patrick’s Day parade (Jonathan Brady/PA)
The Duchess of Cambridge and the Duke of Cambridge attend the Irish Guards St Patrick’s Day parade (Jonathan Brady/PA)
(Andrew Parsons/Sunday Times/PA)
(Andrew Parsons/Sunday Times/PA)
Irish Guards during the regiment's St Patrick's Day parade at Cavalry Barracks in Hounslow (Jonathan Brady/PA)
Irish Guards during the regiment’s St Patrick’s Day parade at Cavalry Barracks in Hounslow (Jonathan Brady/PA)

They watched on as 350 soldiers arrived on the Parade Square, where the expectant royal presented the shamrock to officers and warrant officers.

(Jonathan Brady/PA)
(Jonathan Brady/PA)
The Duchess of Cambridge presents a shamrock to Irish Guards mascot, Irish Wolfhound Domhnall (Jonathan Brady/PA)
The Duchess of Cambridge presents a shamrock to Irish Guards mascot, Irish Wolfhound Domhnall (Jonathan Brady/PA)
Irish Guards during the regiment's St Patrick's Day parade at Cavalry Barracks in Hounslow (Jonathan Brady/PA)
Irish Guards during the regiment’s St Patrick’s Day parade at Cavalry Barracks in Hounslow (Jonathan Brady/PA)
The Duchess of Cambridge (Jonathan Brady/PA)
The Duchess of Cambridge (Jonathan Brady/PA)
Irish Guards mascot, Irish Wolfhound Domhnall (Jonathan Brady/PA)
Irish Guards mascot, Irish Wolfhound Domhnall (Jonathan Brady/PA)