As the singer stood regally on the red carpet, cameras flashed as a hapless helper fussed over her low-cut dress.
Without dropping her megawatt smile for even an instant Beyonce coolly commanded she stop, and get out of her shot.
The chastened woman instantly fled to stand at a more appropriate distance.
She could then be seen watching as an unruffled Beyonce showed just what a professional she is, posing for the photographers as they shouted ‘Queen’.
It was clear just why the assistant had panicked – Beyonce’s dress left little room for error.
Cut incredibly low, it just skimmed her curves, daringly risking a wardrobe malfunction.
Below, They’re friends really! Beyonce had seemed pally with the woman as they arrived, but it didn’t last long