Daniel O’Donnell and Nathan Carter will perform for the Pope in Croke Park.
Riverdance will also perform.
The line up has been unveiled this morning and includes an orchestra of more than 50 musicians, 700 Irish Sean Nó’s and contemporary dancers and a one thousand strong choir.
Organisers of the World Meeting of Families say it expects more than 80 thousand to attend the Croke Park event.
