Neuroscientists Explain Discrepancy Behind "The Dress" Illusion Royal Blue Backless Long Sequin Formal Dress PromGirl The Science Behind the Dress Illusion Eyepic Eye Care 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 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