How to make your light brunette hair into a light blonde color?

I want to know how to make your light brunette hair into a light blonde color.

If you go from brown to blonde all at once, it will not only fry your hair, but it'll likely turn out orangey. What you do is gradually go blonde, by dying it no more than two shades lighter at a time. Wait a couple weeks and do it again. Keep repeating this process until you have the shade you want.