blue or black or white and gold dress The Great Debate: and Black? The Dress Debate SETTLED: Black

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Back Details: Zipper, Backless

Mini (above the knee) Mini A-line dresses hit anywhere from several inches above the knee to mid-thigh

Papers have been published and the scientific community now largely agrees on an explanation

First post: The photo was initially shared by Caitlin McNeill, 21, above, an aspiring singer from Scotland Even more colours: The dress can also be purchased in white and black or a pink and black combination Final say: This Twitter post by Adobe explains why viewers can see different colours in the dress With the photo of the dress, the surrounding colours are so muddled that the brain isn't sure what to make of the dress itself

From ultra-thin spaghetti straps, it features a chic square neckline, fit for the runway and the aisle