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The hastags #whiteandgold, #dressgate, #blueandblack, #blackandblue are all in the top-10 trending topics on Twitter in Australia, while #TheDress is the top trending hastag worldwide.

Especially in the spring, summer, and fall

See Amelia Couture short designer dresses for homecoming and sequin cocktail dresses under $150

'This is a basic cognitive function to appreciate the colour on an object, the illumination source has to be taken into account, which the brain does continuously.' Dr Paul Knox, formerly at the University of Liverpools Department of Eye and Vision Science, said 'colour isnt something that exists in the world'