The viral "black and blue" dress, which sparked a massive 2015 internet debate, was originally posted on Tumblr by Scottish singer Caitlin McNeill. The photo, depicting a Roman Originals dress, divided viewers What colour is this dress? YUP. #whiteandgold #blueandblack #whiteandgolddress #blueandblackdress The world's most famous optical illusion turns 10 years old Creative Bloq What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress? : r askscience Thedress: 'It's been quite stressful having to deal with it we had a falling out' Internet The Guardian