Pretty in green: Duchess Kate

Catherine, Duchess of Cambridge laughs as she attends the St. Patrick's Day parade at Mons Barracks in Aldershot, England, March 17, 2014.

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge visited the 1st Battalion Irish Guards to present the traditional sprigs of Shamrocks to the Officers and Guardsmen of the Regiment.

Aldershot, England

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge laugh as they present "Shamrocks" during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

William, Duke of Cambridge (L) and Catherine, Duchess of Cambridge visit the 1st Battalion Irish Guards during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge have a drink during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

Catherine, Duchess of Cambridge sports green shoes during her visit to the 1st Battalion Irish Guards during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

Catherine, Duchess of Cambridge presents a "Shamrock" to Regimental Mascot Domhnall during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

Catherine, Duchess of Cambridge attends the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

Catherine, Duchess of Cambridge, meets children during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

William, Duke of Cambridge and Catherine, Duchess of Cambridge visit the 1st Battalion Irish Guards during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

Catherine, Duchess of Cambridge, smiles as she visits the 1st Battalion Irish Guards during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

Catherine, Duchess of Cambridge, presents a "Shamrock" to Regimental Mascot Domhnall during the St. Patrick's Day parade at Mons Barracks.

Aldershot, England

Catherine, Duchess of Cambridge, smiles as she visits the 1st Battalion Irish Guards during the St. Patrick's Day parade at Mons Barracks.