Chris Martin forgot the words to a song from one of the bands most famous albums before blaming the gaff on the Olympics.
The Coldplay singer forgot lyrics to 'Warning Sign' from A Rush of Blood to the Head, before uttering 'Oh f**k' and explaining the Olympics had distracted him.
Chris said: "I was thinking about the Olympics. I was distracted. I was not in the breakup frame of mind I needed to be in.
"I'm gonna get back into it; I'm gonna stop thinking about pole vaulting and things like that."
He then tried to appease the crowd by saying: "It's a big deal. You can't blame a guy for thinking about it every once in a while... but the best concert in the world is happening right here, right now."
He needed to go a bit further to make it up to the crowd in Boston though, so the singer exclaimed: "F*** the Olympics. Let's have a f***ing great time in Boston!"
This of course went down a trick with the crowd who responded by screaming. Chris being the switched on lad that he is did ask them to not take to Twitter, as he implored:"Please don't tweet that I said 'F*** the Olympics.' I'll never hear the end of it!”
Obviously Chris had a feeling that anyone bashing the Olympics or Olympians might end up in hot water, perhaps he had a premonition of the Tom Daley fiasco?
We're guessing that Chris and co. won't be playing the closing ceremony after that little outburst, and touring commitments.
It's not all bad news for Chris though as Coldplay, who are currently touring the US promoting their latest album Mylo Xyloto, have been nominated for several MTV VMA's.
Watch: Chris Martin - "F**k the Olympics"
Listen: Coldplay - "Warning Signs"
Gallery: Coldplay live in Boston