Catherine, Princess of Wales, has taken part in celebrations with the Irish Guards for St Patrick's Day. WATCH.

Princess Kate attended a St. Patrick's Day parade on Monday, joining the Irish Guards for the first time in two years, ...

Kate Middleton shared why she and Prince William moved with their kids Prince George, Princess Charlotte and Prince Louis from London to Windsor.

Kate Middleton made a generous gesture for the Irish Guards after their St. Patrick's Day parade, continuing a new tradition of buying the soldiers drinks for the holiday.

Kate Middleton returned to her royal duties and celebrated St. Patrick's Day with millions of others across the world.

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