No doubt unlike many others (and so very most likely a maverick) , this one not is actually an unprofessional and is smacked off her tits on coke. The mask is just there to stop the the smell of 8 vodka and cokes, 2 spliffs and 3 random cheese smells from the photographer as a matter of professional courtesy
Or she has her 3g lunchtime usage stuffed in the nose of the mask and is a tight one and doesnt want to share.