"It's always brilliant to come home to Ireland," enthuses the group's Shane Filan. "Our fans never fail to give us a massive welcome."

Also confirmed to play at this year's free but already fully subscribed bash are Blue, Girls Aloud, Bellefire, Aslan, Picturehouse, Mickey Harte, George Murphy, Mark Geary, Mundy, Alphastates, Chris Doran and The Shades.