Tottenham's Champions League defeat to Bayern Munich will have been music to the ears of the Arsenal supporters.
Losing 7-2 at home is a massive blow for any side, but when it's your rivals it becomes even more amusing.
Joshua Kimmich opened the scoring for the German side, while Robert Lewandowski scored a brace as well, but it was a former Gunner who stole the headlines.
Serge Gnabry moved to Arsenal when he was 16 where he moved through the age groups in north London.
Despite showing early promise, the winger was unable consistently force his way into Arsene Wenger's plans, instead leaving the club for Werder Bremen in 2016.
But fast-forward three years, and the German star - who now plays for Bayern - scored a staggering four goals past Arsenal's north London rivals in the biggest competition in Europe.
Once a Gunner, always a Gunner.
One man who was quick to hail his former academy teammate was Hector Bellerin who took to social media with a message that simply read, "joke man," with four crying with laugher emojis.
Serge Gnabry was always a popular figure during his time in the Arsenal set-up, but he may well be getting a statue built of him after that display.
