St. Patrick's Day Celebrations

Britain's Kate Duchess of Cambridge, center, meets members of the 1st Battalion Irish Guards, during the St Patrick's Day Parade at Mons Barracks in Aldershot, England.

Britain's Catherine, Duchess of Cambridge, meets family members of soldiers as she attends a St Patrick's Day Parade at Mons Barracks in Aldershot.

Britain's Prince William takes a drink of sherry during a visit with his wife, Catherine, Duchess of Cambridge, to attend a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England.

Britain's Catherine, Duchess of Cambridge (2nd R) and her husband Prince William (2nd L) pose for an official photograph as they attend a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England

Members of the New York City Fire department play the bagpipes on the parade route during St Patrick's Day festivities in Dublin.

Dog Mixie is dressed up in green for a St. Patrick's Day parade on the Irish national holiday in Berlin, Germany

A member of Romania's Irish community takes part at St Patrick's Day parade in Bucharest.

icholas DiMarzio (C), Bishop of Brooklyn, chats with alter boys and girls before the arrival of Irish Prime Minister Enda Kenny for Saint Patrick's Day Mass at St. Thomas More Church.

Paul Mitchell from Ireland watches the St. Patrick's Day Parade in New York.

Britain's Catherine, Duchess of Cambridge, meets family members of soldiers as she attends a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England.