Prince William, Duke Of Cambridge Visits The 1st Battalion Irish Guards For The St. Patrick's Day Parade on March 17, 2016 in London, UK

Prince William, Duke Of Cambridge visits The 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.

Prince William, Duke Of Cambridge visits The 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.

The Duke Of Cambridge visits The 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.

The Duke Of Cambridge visits The 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.

Prince William, Duke Of Cambridge (R) presents the Regimental mascot 4 yr old Irish Hound Domhnall with a sprig of Shamrock during The 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.

Prince William, Duke Of Cambridge (R) presents the Regimental mascot 4 yr old Irish Hound Domhnall with a sprig of Shamrock during The 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.

 Prince William, Duke Of Cambridge (R) presents the Regimental mascot 4 yr old Irish Hound Domhnall with a sprig of Shamrock during The 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.

Prince William, Duke Of Cambridge attends The 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom. 

Prince William, Duke Of Cambridge Guardsmen with sprigs of Shamrock during the 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.

Prince William, Duke Of Cambridge Guardsmen with sprigs of Shamrock during the 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom. 

Prince William, Duke Of Cambridge poses for the Warrant Officer and Sergeant's Mess group photo during the 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom. 

Prince William, Duke Of Cambridge (C) poses for the Officer's Mess group photo during the 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom. 

Prince William, Duke Of Cambridge (C) salutes during the 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom. 

Prince William, Duke Of Cambridge Guardsmen with sprigs of Shamrock during the 1st Battalion Irish Guards for the St. Patrick's Day parade on March 17, 2016 in London, United Kingdom.