Highlights are bright and contours are dark. Use bronzer or darker eyeshadows (in the crease) to create depth or contour, and use illuminators, highlighting pencils, etc. to brighten up the face for the highlight areas. It will make a huge difference!
This hairstyle is absolutely gorgeous. Dark honey tones fading to a champagne blonde ombre works fantastically, and is one of the key styles for The Beauty Thesis. Sharing this with my mom and all the blondes in my life :)