The Duke And Duchess Of Cambridge Attend The Irish Guards St Patrick's Day Parade t Household Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge in a very smart double breasted style Catherine Walker & Co bespoke coat the annual Irish Guards St Patrick's Day Parade on March 17, 2017 in London, England.

 Prince William, Duke Of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge, wearing all green, had a cascade of shamrocks the national emblem of Ireland that pinned to her coat as she attends the Irish Guards St Patrick's Day Parade 2017 in London

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England

 Prince William, Duke Of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England

Britain's Prince William, Duke of Cambridge (2L) and his wife, Britain's Catherine, Duchess of Cambridge (L) visit the Irish Guards during a St Patrick's Day parade at Cavalry Barracks in Hounslow, west London on March 17, 2017. 

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge stand as the 1st Battalion Irish Guardsmen leads the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

The Duke and Duchess of Cambridge visit Cavalry Barracks in Hounslow for the Irish Guards St Patrick's Day Parade 2017



Catherine, Duchess of Cambridge all smiles as she presents the 1st Battalion Irish Guardsmen with shamrocks during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge presents the 1st Battalion Irish Guardsmen with shamrocks during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.



Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge presents the 1st Battalion Irish Guardsmen with shamrocks during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge presents the 1st Battalion Irish Guardsmen with shamrocks during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

 Catherine, Duchess of Cambridge speaks to members of the 1st Battalion Irish Guardsmen during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.



 Catherine, Duchess of Cambridge presents a shamrock to The Regimental mascot Irish Hound as Prince William, Duke of Cambridge stands with the 1st Battalion Irish Guardsmen during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 



The Duchess of Cambridge presents the 1st Battalion Irish Guardsmen with shamrocks during the parade in London

Catherine, Duchess of Cambridge presents a shamrock to The Regimental mascot Irish Hound during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge presents the 1st Battalion Irish Guardsmen with shamrocks during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Britain's Prince William, Duke of Cambridge, (L) and his wife Britain's Catherine, Duchess of Cambridge visit the Irish Guards during a St Patrick's Day parade at Cavalry Barracks in Hounslow, west London on March 17, 2017.

The Duchess of Cambridge smiles as she visits the 1st Battalion Irish Guards during the St. Patrick's Day Parade 2017

Catherine, Duchess of Cambridge presents a shamrock to The Regimental mascot Irish Hound as Prince William, Duke of Cambridge stands with the 1st Battalion Irish Guardsmen during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge presents a shamrock to The Regimental mascot Irish Hound as Prince William, Duke of Cambridge stands with the 1st Battalion Irish Guardsmen during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) and Catherine, Duchess of Cambridge attend the Irish Guards annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

The Duke and Duchess of Cambridge honoring soldiers on St Patrick's Day in London before travelling to France 

The Duchess of Cambridge all smiles during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

(L) Prince William, Duke Of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge stand in London during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017

The Duchess of Cambridge celebrated St Patrick's Day with a pint of Guinness in Hounslow, West London

Catherine, Duchess of Cambridge takes a drink of Guinness as she meets with soldiers of the 1st battalion Irish Guards in their canteen following their St Patrick's day parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridgestands with a pint of Guinness in her hand as she talks to off duty soldiers of the 1st battalion Irish Guards following their St Patrick/s day parade at Cavalry Barracks on March 17, 2017 in London, England.

The Duchess of Cambridge takes a drink of Guinness as she meets with soldiers of the 1st Battalion Irish Guards with Prince William, Duke of Cambridge

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge smiled as they spoke to members of the 1st Battalion Irish Guards while visiting them in Hounslow on March 17, 2017

 

The Duke and Duchess of Cambridge talk with soldiers of the 1st Battalion Irish Guards following their St Patrick's Day Parade

 Catherine, Duchess of Cambridge touches her hat as Prince William, Duke of Cambridge stands before presenting the 1st Battalion Irish Guardsmen with shamrocks during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge arrive to present the 1st Battalion Irish Guardsmen with shamrocks during the annual Irish Guards' St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England

 Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

 Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Britain's Catherine, Duchess of Cambridge, prepares a sprig of shamrock to attach to Wolfhound Domhnall, the regimental mascot of the Irish Guards, during a St Patrick's Day parade visit to Cavalry Barracks in Hounslow, west London on March 17, 2017.

Britain's Prince William, Duke of Cambridge (R) and his wife Britain's Catherine, Duchess of Cambridge visit the Irish Guards, during a St Patrick's Day parade at Cavalry Barracks in Hounslow, west London on March 17, 2017.

Britain's Prince William, Duke of Cambridge (R) and his wife Britain's Catherine, Duchess of Cambridge visit the Irish Guards, during a St Patrick's Day parade at Cavalry Barracks in Hounslow, west London on March 17, 2017.

Britain's Prince William, Duke of Cambridge reacts as he visits the Irish Guards during a St Patrick's Day parade at Cavalry Barracks in Hounslow, west London on March 17, 2017.

Britain's Catherine, Duchess of Cambridge visits the Irish Guards during a St Patrick's Day parade at Cavalry Barracks in Hounslow, west London on March 17, 2017.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke Of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Household Cavalry Barracks on March 17, 2017 in London, England.

 Catherine, Duchess of Cambridge takes a drink of Guinness as she meets with soldiers of the 1st battalion Irish Guards in their canteen following their St Patrick's day parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke Of Cambridge and Catherine, Duchess of Cambridge take a drink of Guinness as they meet with soldiers of the 1st battalion Irish Guards in their canteen following their St Patrick's day parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke Of Cambridge and Catherine, Duchess of Cambridge talk with soldiers of the 1st Battalion Irish Guards following their St Patrick's day parade at Cavalry Barracks on March 17, 2017 in London, England. 

Prince William, Duke Of Cambridge and Catherine, Duchess of Cambridge talk with soldiers of the 1st Battalion Irish Guards following their St Patrick's day parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge presents shamrocks to soldiers of the Irish Guards as she attends the annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) attend the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) and Catherine, Duchess of Cambridge attend the Irish Guards annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

 Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge presents shamrocks to soldiers of the Irish Guards as she attends the annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) attend the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge poses for a regimental photograph with soldiers of the Irish Guards during the annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge presents shamrocks to soldiers of the Irish Guards as she attends the annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) poses for a regimental photograph with soldiers of the Irish Guards during the annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England. 

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) poses for a regimental photograph with soldiers of the Irish Guards during the annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England. 

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) attends the during the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England. 

 Catherine, Duchess of Cambridge poses for a regimental photograph with soldiers of the Irish Guards during the annual St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.

Prince William, Duke of Cambridge (in his role as Colonel of the Irish Guards) holds his shamrock as he attends the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2017 in London, England.