Okay, so working the waterline isn’t exactly new. But it’s the way that celebrity makeup artists are doing it now that’s making us want to bring back the technique: Surprising shades of coloured liner is in heavy play — sometimes stealthily laid over black for extra impact. In an update from bright whites, nudes are being used to create an eyes wide open situation; and choice colour blocking — geared to make irises look piercingly Facetuned IRL — is giving new life to the upside-down eye makeup trend.