Don't apply black liner all around your eye and in your waterline. This will make your eyes appear much smaller than they are. Instead, line the top with black liner, the bottom with brown liner, and the waterline with nude liner to really open your eyes.
The key to a professional-looking highlight and contour is a "triangle of light," which draws attention to the center of the face and makes it appear slimmer. Click through to learn more sculpting tips and tricks on the Sephora Glossy> ContouringMagic