Wales and Northern Ireland will be facing off today in a Battle of Britain after both sides made it to the knockout stages in Euro 2016.
Chris Coleman's side surpassed expectations to top Group B with six points, despite a 2-1 loss to rivals England, while Northern Ireland qualified for the last 16 as one of the best third-placed teams in the group stage after taking three points from three games.
Fans have already flocked to the French capital ahead of the game at Paris Saint-Germain's home ground, the Parc des Princes, at 6pm local time.
The winners of the clash will go on to face the winner of Hungary v Belgium in Lille next Friday.
Eurostar services arriving into Gare du Nord on Friday evening counted a large number of football fans among passengers, while flights from Cardiff and Belfast to the French capital were sold out ahead of the game.