Originally Posted by AspirinBaby

Just Photoshop...

If anyone cares, here's how:
I used a really nice filter called radiance and a trick I found on the net somewhere: basically you just copy your layer and apply a gaussian blur 3.5 to it and than set the blending mode to darken. It looks like it's airbrushed. After that I made three adjustment layers on top (color balance, brightness/contrast and saturation) set them to make the skin look pale and greenish and then used the layer masks to paint back the hair and lips to their normal, colourful state. Then I just painted make-up and a bit of orange in her hair and tried different blending modes.