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. Remember when the internet went absolutely nuts on the colour of a dress? The dress was blue and black. The original viral poster, Caitlin McNeill, later said it was a black and blue dress Sparkly Gold Design Evening Party Dress Luxury Rhinestones See Through Sexy Women's Clothing Mesh Stretch Birthday Dresses AliExpress 200000345 The Dress That Broke the Internet turns 10! How a simple optical illusion divided the world and the mind boggling tricks that have baffled us ever since Daily Mail Online Black or Gold or White Blue TikTok Black and blue, or white and gold? 'The dress' turns 10 years old