Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Scientists later explained ARRANGE embellished disc sequin square neck full skirt midi dress in lemon ASOS I've never understood the white gold side of the dress illusion but after modifying someone else's picture to make this one I can (kind of) see it. : r opticalillusions The dress is black & blue, but here's why you can't tell TJ Kelly