[Vicky.]

Originally Posted by ~Kerry~

I think it's like a nervous tension. I think a lot of people get the giggles in interviews too

It might well be.

The only other time I remember laughing inappropriately was during my GCSEs. That was really really funny though, I absolutely creased up for no reason at all...and then one by one, everyone else in the room cracked too. The teachers didnt know what the hell to do