French President Nicolas Sarkozy has been caught out calling the Israeli Prime Minister a "liar".
President Sarkozy made the remark to US President Barack Obama unaware that both of them were speaking in front of live microphones.
Obama replied with a similarly candid remark: "You may be sick of him, but me, I have to deal with him every day."
The two men join a long history of politicians, media and celebrities who have been accidentally caught out on camera or microphone. Let's take a look at some of the best:
ABC preseneter Virginia Trioli pulls a 'crazy face' at Senator Barnaby Joyce
Former UK PM Gordon Brown calls a woman 'bigoted'
Reverend Jesse Jackson insults Barack Obama when he thinks the mic is off
NZ Prime News presenter sticks his fingers up, gets caught on camera
BBC weatherman gets caught sticking his finger up at presenters
These are just five of the many examples out there. Are there any crackers that I've missed?