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The Duchess of Cambridge was the guest of honour for the 1st Battalion Irish Guards' St Patrick's Day parade.
Before the Duchess of Cambridge arrived at Mons Barracks, a soldier had fainted during the St Patrick's Day parade. He was helped to his feet and appeared to be unhurt.
The Irish Guards' regimental mascot, Conmeal the Irish wolfhound, was given his own sprig of shamrock by the Duchess of Cambridge.
The St Patrick's Day tradition dates back to 1901.
The Duchess of Cambridge handed out sprigs of fresh shamrock to members of the 1st Battalion Irish Guards, as part of a St Patrick's Day tradition.
The Duchess of Cambridge arrived at Mons Barracks in Aldershot wearing a dark green coat with a cinched-in waist.
In her first solo military engagement, the Duchess presented traditional sprigs of shamrock to the Irish Guards at their St Patrick's Day parade.
The Duchess of Cambridge will present the traditional sprigs of shamrock to the Officers and Guardsmen of the 1st Battalion, Irish Guards later today at the St Patricks Day Parade in Aldershot.
450 soldiers will march on to the parade square at their base, Mons Barracks, resplendent in full ceremonial uniform of scarlet tunics and bearskins.
Marching behind the Band of the Irish Guards they will be accompanied by Conmael their Irish Wolf Hound regimental mascot, who will also receive his own sprig of shamrock from the Duchess.