Manchester United will take on Tottenham Hotspur in the Europa League final.
The Red Devils have qualified after coming from behind to defeat Athletic Bilbao 4-1 on Thursday night.
Ruben Amorims side came into the tie with a 3-0 lead from the first leg in Spain.
But it was the LaLiga side who stunned Old Trafford with the opening goal in the first half, after Mikel Jauregizar beat Andre Onana from distance with a stunning effort.
Mason Mount came off the bench to curl home a glorious equalizer for the hosts, before Casemiros looping header and Rasmus Hojlunds close-range finish sealed the victory.