10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress Is That Dress White and Gold or Blue and Black? The New York Times Sky Blue Sweetheart Cutout Satin Mermaid Long Formal Dress with Slit 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