At first glance Beyonce was every inch the glamourous diva at the premiere of new movie Cadillac Records.

But closer inspection revealed a less picture-perfect reality in the form of some unsightly fuzz sprouting from her underarm region.

Beyonce has been channelling her vampish alter-ego Sasha Fierce in a number of black PVC outfits in recent weeks.

We're confident the hairy pits belong to Sasha not Beyonce...