Singer Karen Harding only had one job. Turn up, belt out the national anthem before the FA Cup final and go home.
Unfortunately for her, 'technical difficulties' meant she barely sang a word while standing in front of camera awkwardly as the nation looked on. You can check out the video of her embarrassing moment at the bottom of this article.
Harding has now taken to Twitter in the immediate aftermath of the incident to register her dismay. She wrote: "OMG. Biggest audience of my life and I get technical difficulties! Argh so sorry Guys!!! Xx"
She later added: "Mortified!! I don't know what happened. :(". Harding also uploaded a version of her singing the national anthem beforehand, with the hashtag #hereshowitshouldhavesounded.
The incident appeared to set the tone for the match itself, as both Crystal Palace and Manchester United failed to make a breakthrough in the first half.
Marouane Fellaini rattled the crossbar early on in the second half with a fierce shot, and that was the best chance either side could produce with half an hour to go.
There was more bad news for Manchester United as Marcos Rojo was forced from the pitch because of injury, while Marcus Rashford - who was recently named to Roy Hodgson's England squad for Euro 2016 in France - also picked up a painful looking knock.
Will the FA Cup final be Louis van Gaal's last game in charge of Manchester United?
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