It's been 10 years since this dress was posted. People debated which colours it was, and it was later confirmed to be black and blue. 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 ZAPAKASA Women Black and Blue Satin Long Formal Dress with 3D Flowers One Shoulder Mermaid Prom Dress with Ruffles The Science Behind the Dress The New York Times Sweetheart Neck Short Blue Prom Dress with Black Lace Flower, Short Bl jbydress Black Glitter One Shoulder Short Dress Short Dresses Saved by the Dress