The President Mary McAleese will be among the dignitaries attending the funeral today of Micheala McAreavey today.
The 27-year-old teacher and daughter of Co Tyrone football manager Mickey Harte was murdered last Monday while on honeymoon in Mauritius.
Thousands of people are expected to turn out for the mass at St Malachy's Church in Ballymacilroy just outside Ballygawley where she married John McAreavey on December 30.
The uncle of her husband - Bishop of Dromore John McAreavey - who officiated at the couple's wedding - will be the chief celebrant at today's mass.