Gallery: Kate celebrates St. Patrick's Day

The Duchess of Cambridge holds a glass of Harvey's Bristol Creme in the Junior's Mess as she visits Aldershot Barracks on St Patrick's Day on Saturday March 17, 2012 in Aldershot, England. The Duchess presented shamrocks to the Irish Guards at a St Patrick's Day parade during her visit. (AP Photo/Chris Jackson, Pool)

Britain's Kate, The Duchess of Cambridge meets members of the public as she arrives at Leicester Cathedral in Leicester, England, Thursday, March 8, 2012. Cheering crowds waving union jacks greeted Britain's Queen Elizabeth II in Leicester, where she has started her four-month Diamond Jubilee tour of the UK to celebrates 60 years on the throne, accompanied by Prince Philip and the Duchess of Cambridge.(AP Photo/Kirsty Wigglesworth)

The Duchess of Cambridge attaches a sprig of shamrock to Conmeal, an Irish Wolfhound, the mascot of The Irish Guards, as she attends the St Patrick's Day Parade at the Mons Barracks in Aldershot, England Saturday March 17, 2012. Members of the 1st Battalion Irish Guards will receive traditional sprigs of shamrock from the Duchess of Cambridge at their St Patrick's Day parade today. (AP Photo/Steve Parsons/PA Wire) UNITED KINGDOM OUT NO SALES NO ARCHIVE

Kate Duchess of Cambridge arrives with Prince Charles and Camilla Duchess of Cornwall, both unseen at the Dulwich Picture Gallery for the Prince's Foundation for Children and the Arts charity in London, Thursday, March, 15, 2012. (AP Photo/Alastair Grant)

Britain's Duchess of Cambridge meets members of the public as she arrives at Leicester Cathedral in Leicester, England, Thursday, March 8, 2012. Cheering crowds waving union jacks greeted Britain's Queen Elizabeth II in Leicester, where she has started her four-month Diamond Jubilee tour of the UK to celebrates 60 years on the throne, accompanied by Prince Philip and the Duchess of Cambridge.(AP Photo/Kirsty Wigglesworth)

Britain's Duchess of Cambridge receives flowers from a child as she arrives at Leicester Cathedral in Leicester, England, Thursday, March 8, 2012. Cheering crowds waving union jacks greeted Britain's Queen Elizabeth II in Leicester, where she has started her four-month Diamond Jubilee tour of the UK to celebrates 60 years on the throne, accompanied by Prince Philip and the Duchess of Cambridge.(AP Photo/Kirsty Wigglesworth)

Kate Duchess of Cambridge, right, and Camilla Duchess of Cornwall, talk to schoolchildren at the Dulwich Picture Gallery for the Prince's Foundation for Children and the Arts charity in London Thursday, March, 15, 2012. (AP Photo/Alastair Grant)

Prince Charles,The Prince of Wales and Kate, Duchess of Cambridge iron artwork they had just made onto silk, during a visit to the Dulwich Picture Gallery in south London,Thursday March 15, 2012. The Duchess of Cambridge joined her father-in-law the Prince of Wales at a gallery to celebrate their shared love of the arts. It was the first time Kate had joined Charles on a visit to one of his charities. (AP Photo/John Stillwell, pool)

Kate Duchess of Cambridge, right, waves and Camilla Duchess of Cornwall as they walk towards schoolchildren at the Dulwich Picture Gallery for the Prince's Foundation for Children and the Arts charity in London Thursday, March, 15, 2012. (AP Photo/Alastair Grant)

Britain's Duchess of Cambridge laughs as she plays hockey with the British Olympic hockey teams at the Riverside Arena in the Olympic Park, London, Thursday March 15, 2012. The Duchess of Cambridge viewed the Olympic Park and met members of the men's and women's British hockey teams. (AP Photo/Chris Jackson, Pool)

Britain's Duchess of Cambridge smiles as she meets the British Olympic hockey teams at the Riverside Arena in the Olympic Park, London, Thursday March 15, 2012. The Duchess of Cambridge viewed the Olympic Park and met members of the men's and women's British hockey teams. (AP Photo/Chris Jackson, Pool)

Kate, Duchess of Cambridge arrives at Leicester train station in Leicester, England, for a visit with Queen Elizabeth and Prince Philip Thursday, March 8, 2012. (AP Photo/Kirsty Wigglesworth)

Britain's Duchess of Cambridge hits a shot as she plays hockey with the British Olympic hockey teams at the Riverside Arena in the Olympic Park, London, Thursday March 15, 2012. The Duchess of Cambridge viewed the Olympic Park and met members of the men's and women's British hockey teams. (AP Photo/Chris Jackson, Pool)

Britain's Duchess of Cambridge smiles as she meets the British Olympic hockey teams at the Riverside Arena in the Olympic Park, London, Thursday March 15, 2012. The Duchess of Cambridge viewed the Olympic Park and met members of the men's and women's British hockey teams. (AP Photo/Chris Jackson, Pool)

Britain's Queen Elizabeth II, right, and Catherine, Duchess of Cambridge, left, watch a fashion show at De Montfort University in Leicester, England, Thursday, March 8, 2012. Queen Elizabeth II was in Leicester to mark the first stop of her Diamond Jubilee tour in the United Kingdom as she celebrates 60 years on the throne. (AP Photo/Oli Scarff, Pool)

The Duchess of Cambridge presents a sprig of shamrock to Conmeal, an Irish Wolfhound, the mascot of The Irish Guards, as she attends the St Patrick's Day Parade at the Mons Barracks in Aldershot, England Saturday March 17, 2012. Members of the 1st Battalion Irish Guards will receive traditional sprigs of shamrock from the Duchess of Cambridge at their St Patrick's Day parade today. (AP Photo/Steve Parsons/PA Wire) UNITED KINGDOM OUT NO SALES NO ARCHIVE

Britain's Queen Elizabeth II, right, and Catherine, Duchess of Cambridge, left, watch a fashion show at De Montfort University in Leicester, England, Thursday, March 8, 2012. Queen Elizabeth II was in Leicester to mark the first stop of her Diamond Jubilee tour in the United Kingdom as she celebrates 60 years on the throne. (AP Photo/Oli Scarff, Pool)

Britain's Duchess of Cambridge hits a shot as she plays hockey with the British Olympic hockey teams at the Riverside Arena in the Olympic Park, London, Thursday March 15, 2012. The Duchess of Cambridge viewed the Olympic Park and met members of the men's and women's British hockey teams. (AP Photo/Chris Jackson, Pool)

Britain's Queen Elizabeth II, left, accompanied by the Duchess of Cambridge, left and Prince Philip, unseen, arrive at Pancras Station, London, before boarding a train to visit the city of Leicester on the first date of her Diamond Jubilee tour of the UK Thursday March 8, 2012. (AP Photo/Anthony Devlin/PA Wire) UNITED KINGDOM OUT

Britain's Duchess of Cambridge smiles as she plays hockey with the British Olympic hockey teams at the Riverside Arena in the Olympic Park, London, Thursday March 15, 2012. The Duchess of Cambridge viewed the Olympic Park and met members of the men's and women's British hockey teams. (AP Photo/Chris Jackson, Pool)

Britain's Duchess of Cambridge meets members of the public as she arrives at Leicester Cathedral in Leicester, England, Thursday, March 8, 2012. Cheering crowds waving union jacks greeted Britain's Queen Elizabeth II in Leicester, where she has started her four-month Diamond Jubilee tour of the UK to celebrates 60 years on the throne, accompanied by Prince Philip and the Duchess of Cambridge.(AP Photo/Kirsty Wigglesworth)

Kate Duchess of Cambridge arrives with Prince Charles, left, and Camilla Duchess of Cornwall, unseen at the Dulwich Picture Gallery for the Prince's Foundation for Children and the Arts charity in London, Thursday, March, 15, 2012. (AP Photo/Alastair Grant)