Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. The Science Behind the Dress Illusion Eyepic Eye Care Optical illusion renews blue and black dress debate nine years on Express.co.uk Wonder Woman? Never heard of her. @haileybieber delivered one of the night's boldest #MetGala moments in a molten gold and cobalt @ysl look that feels straight out of a fashion comic book. Tap the Is it white and gold or blue and black? The truth behind the dress debate. CooperVision