The group sung the Boyzone song "No Matter What"
As Ireland continue their odyssey through France, may well known faces are supporting the team throughout the country.
Actor and Boyzone singer Keith Duffy made his was to La Rochelle, where many Irish fans are based before travelling south for Sunday's game against Belgium in Bordeaux.
Duffy joined in with a group of group of fans to belt out the Boyzone classic "No Matter What". The song went to the top of the charts in Ireland and the UK in 1998.
Photographer Stephen McCarthy was on the scene to record the rendition. Could this be the impetus to get the four-piece back together?