Neuroscientists Explain Discrepancy Behind "The Dress" Illusion 10 years ago today, this dress was posted online, turning into a viral phenomenon. Viewers couldn't decide if the dress was blue and black, or white and gold. It was later confirmed The Dress: Is It White And Gold Or Blue And Black? haileybieber for the Met Gala final look achieved with @dysonbeauty @dysonusa @maryphillips x @andrewmukamal x #hairinel Optical illusion renews blue and black dress debate nine years on Express.co.uk The Science Behind the Dress Illusion Eyepic Eye Care