Sources close to Smart Artists have confirmed that “Posh Spice” was listening to Shannon’s tasty lead guitar break and then the songs ‘scream’ finale when the gas, believed to be methane-based, was released.

One person close to Smart Artists who is also a friend of the Beckhams, revealed on the condition on anonymity, the following: “Posh was in one of her ‘air guitar’ lounge hopping moods when she stopped, bent down and took a bite of her beans on toast, had a sip of Verve Cliquet, and edged her thin thigh up slightly. I heard a gentle ‘pfft’, and she lowered her leg …”

This is the merely the latest in a long line of bodily functions from the former Spice Girl, including a recent burp while viewing houses in L.A., a sneeze whilst attending Paris fashion week, and an embarrassing bout of hiccups while in the bath.