Today I am going to show few step which I did to get this:
Basically I have started from a piece of paper and a pencil .... but will skip this step :)
When you have a base is good to scan your idea into any software like Photoshop but this time to do sketch I have used Illustrator CS6 the result was :
Next step was to go to Photoshop and input some base colours:
On separate Layers I mark by magic wand tool parts of her body and I use light colors to do shadow effects. To make a background I used some random brushes and I applied effects though Layers Styles. This is my style of digital art and of course I use my old tablet Wacom intuos 5 M.