He was branded a mercenary by many-an-Arsenal fan for his decision to leave the Emirates for mega-rich Manchester City back in 2011.
Indeed, Nasri, who will play no part at Wembley due to injury, has bleached his hair bright blue for the occasion.
It is safe to say that the barnet hasn't gone down well on social media, as a host of Twitter users took a moment to question the Frenchman's sanity.
Manchester City FC (@MCFC) February 26, 2016
La reaction de l'agent image de Nasri pic.twitter.com/N2qdy3qbLg— Erwan Geloen (@ErwanGeloen) February 26, 2016
Samir Nasri whyyyy oh whyyy ?— arlo. (@azhmaht) February 26, 2016
Master of camouflage Samir Nasri has painted his hair the same colour as Manchester City's bench. https://t.co/U0PtRniOMn— Highbury-on-Thames (@BerkgampLegend) February 26, 2016
Samir Nasri has some serious mental problems— Kevin (@KCeltics830) February 26, 2016
Samir Nasri looks like he should be the next Zoolander villain.— James (@JimWynn7) February 26, 2016
This marks the second hairstyling faux pas that the France international has made in a matter of months, having punted for a blonde look earlier in the season.
In his defence, it has been an injury-ravaged season for Nasri, who has been sidelined with a hamstring problem since October.
The former Marseille man is nearing a return to full fitness, however, and trained on Friday for the first time since that injury. Here's to hoping he can stay fit - and stay away from the hair dye.