So I searched up the black and blue dress : r opticalillusions ETRO Fringed printed metallic knitted dress THE OUTNET Optical illusion renews blue and black dress debate nine years on Express.co.uk ST. JOHN Sequin Metallic V Neck Knit Dress Nordstrom The dress was black and blue, but the conditions of the photograph caused many to perceive it as white and gold, creating debate. Within a week, more than ten million tweets had