Here is the before photo. She had at least 6 months of growout between services:
I chose a very traditional balayage technique using deep, wide section in the under part for maximum color and thinner pieces toward the top to emulate regular highlights. I like this way of doing it because you walk out looking more like you just got your color done - not two months ago. But there are ways to mix and match for different effects obviously.
right around the face I used foils because I like to see as little marbilization around the face as possible.
The results were beautiful: