Duke and Duchess of Cambridge make second visit to Northern Ireland
The Duke and Duchess of Cambridge are visiting Northern Ireland on Tuesday for the annual garden party at Hillsborough, County Down.
Prince William and Catherine are joining about 2,500 guests at the party which is being hosted by the Secretary of State Theresa Villiers.
The visit is only the second time the royal couple have visited Northern Ireland together.
Their previous visit was in March 2011, weeks before their wedding.