We all use makeup to hide or correct our imperfections, which is why a good concealer should always be on hand. The problem, however, is keeping it looking natural, which not all celebrities are able to do. Whether it was a chalky formula or just too much product, see seven major concealer fails.
Nowadays Kim veers toward a bare-faced look, but it wasn't so long ago that she really piled on the concealer. A cover-up should be a couple shades lighter than your skin tone, but this is why you don't stray too far from your actual complexion.