The Queen and the Duke of Edinburgh have ended their visit to Northern Ireland.
They left after a reception at Belfast International Airport.
The Queen met about 70 guests, most of them airport workers. She also unveiled a plaque in the business lounge which marks the airport's recent £10m refurbishment.
Earlier, the royal couple were in Lisburn where they visited the new Coca Cola plant.
They also hosted a reception in Hillsborough Castle to celebrate 150 years of Cadet Forces.
The Queen and Prince Philip met cadets aged from 14 to 17 from the four cadet forces in Northern Ireland.
On Thursday night, the couple attended a black tie dinner at Hillsborough Castle where they met people from the business community.
Earlier on Thursday, there was a special reception at the castle for the charity Children in Action of which the Queen is patron.
The Queen also held meetings with Secretary of State Owen Paterson, First Minister Peter Robinson and she visited the UTV studios in Belfast.