New York

Lady Gaga seems game for almost anything. The outrageous singer abandoned her normally flamboyant outfits and graced the cover of Vogue Hommes Japan as her male alter ego - Joe Caldrone, a Sicilian mechanic in a grease-stained t-shirts and cigarette behind the ear. 

The gender bending songstress, whose real name is Stefani Germanotta, has admitted to having a bi-sexual past. The photos were taken by photographer Nick Knight several months ago and had been circulated on the internet.