WATCH: Saint Patrick's Day in pictures
Thousands of people have attended St Patrick's Day parades and festivities around the Province.
The Belfast parade departed from city hall at noon before making its way to Custom House Square for a free concert.
Meanwhile parades and celebrations are also being held in Londonderry, Armagh, Newry, Enniskillen, Omagh and Downpatrick.
The largest parade in the Republic of Ireland is in Dublin.