Antonio Rudiger blew the chance of a Chelsea reunion when Real Madrid was steamed from the World Cup Club.
The embarrassing Howler of the former Blues Defender entered PSG Hitman Ousmane Dembele to move a goal in a goal after nine minutes.
And it was already one zero because the Spanish giants were torn to flashes in a first half of Blitz.
Fabian Ruiz had scored three minutes earlier from another dick at the back when the ruling European champions breed with an early attack that had paid off.
The Spanish midfielder brought the peace 3-0 with another clinical finish to shoot PSG in Sunday's final against Chelsea.
Rudiger, 32, was in Chelsea for five years and was part of their triumphant 2021 Champions League team.
But the German center and his colleague defenders were humiliated in the first 45 minutes with a series of errors that cost them a lot.
The explanation means that Madrid ends the season without a trophy of any kind. They were also humiliated 3-0 last season by Arsenal in the Champions League.
New boss and former Liverpool midfielder Xabi Alonso has a lot of reconstruction to do, although he has just signed Alexander-Arnold completely to strengthen his team.
Former Liverpool star Alexander-Arnold was excluded from this competition with injury.
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Victory is the 48th for running European Kings PSG, which is a record for them in one season.
And they could not have wished for a better start against their illustrious Spanish opposition when the first of different blunders gave them the early lead.
A mistake by Raul Ascencio who tried to tackle Dembele, Fabian allowed to bury a shot from less than ten meters.
Rudiger then slid the ball under his foot shortly thereafter and Dembele clearly ran to shoot number two at home two past ex-Chelsea keeper Thibaut Courtois.
And Fabian made sure that there was no way back for 15 times European champions Madrid when he relentlessly finished a square ball from ex-Galactico Hakimi.
Desire Doue made 4-0 at the start of the second half, but the goal was excluded with Dembele offside.
Chelsea is confronted with their most difficult task, but will compete against PSG in Sunday's All-European final.
After losing their first match at the World Cup club, Luis Enrique's side won every match and did not give any goal prior to the start against Madrid.
Madrid applied veteran Croatian midfielder Luka Modric, 39, for his farewell match before moving to AC Milan in the Spanish capital after 13 years.
But it only got worse for Modric & Co Goncalo Ramos came from the bank to bring the score to 4-0.
Portuguese international Ramos paid tribute to Diogo Jota – copying the celebration of his international teammate – who died this month at the age of 28 at the age of 28 – at the age of 28.