We're all for iconic beauty [1] looks — Marilyn Monroe is one of our original sources of inspiration [2] — but sometimes, a girl just wants to let out her inner unicorn. We've tried rainbow hair [3], vibrant lipstick [4], and even technicolor eyebrows [5]. Thanks to the talented makeup artists of Instagram, now we've become inspired to add head-turning hues to our eyelids. If you thought you couldn't pull off red, yellow, or even pink cat eyes [6], read on — these looks are sick, not sickly.