Navy Blue Long Prom Dress with Gold Sequins PromGirl Elegant Black Luxury Silver Lace Top Long Sleeves V neck A line Long P AlineBridal The Science Behind the Dress Illusion Eyepic Eye Care Aline Chiffon Black Long Prom Dress, V Neck Black Formal Evening Dress toptby 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 The Science Behind the Dress The New York Times