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 I've been thinking about "the dress" for 10 years. Here's what I've learned. The Science Behind the Dress The New York Times White and blue ombre dress Amazon.com: FOCUSOUL Women Princess Dress Costume Blue Yellow Twirl Skirt Bowknot Gown Halloween Party Fancy Dress Up (Blue + Yellow, Small) : Clothing, Shoes & Jewelry Buy White Blue Stripe Lemon Print Shaping Tummy Control Skirted Swim Dress from Next USA