The Taoiseach has declared Wales as Ireland's "mortal enemies" - for today at least.
Enda Kenny's wishing the Ireland rugby team the best of luck as they take on Wales, with their Grand Slam hopes still alive.
Captain Paul O'Connell will win his 100th cap in the game which kicks off at half-past-two.
Speaking in Atlanta, where he'll be Grand Marshal of the St Patrick's Day parade today, the Taoiseach says he's hopeful of an Irish success: