Two kids? You would never know when you look at Kate Middleton. The secret to gorgeous eyes is to begin with the right concealer. To hide dark circles, apply a peachy or salmon toned concealer to your under-eyes. These tones are best at canceling out blue, gray, and dark brown undertones.
One to try is the Eve Pearl Salmon Concealer ($39). To apply, use a precise, pointed foundation brush and gently sweep on concealer, starting at the inner corners of your eyes.