This is what they are doing in Japan. So we should probably expect Lady Gaga to be doing it in, oh, two months, tops.
According to The Daily Mail:
Using only acrylic paints, these incredibly realistic images are enough to make anyone look twice.
Creative Chooo-San, aged 19, a first year student at Musashino Art Universityin Tokyo, Japan, paints misplaced mouths, extra eyes and eerie robotic extras to the human body…. [she says] ‘They are all painted on skin directly and I don’t use computers or anything to change the picture afterwards.’