La Femme Ruffled Long Plus Size Prom Dress PromGirl Black 18W OnThisDay Ten years ago a great dress color debate was born! The dress became a viral phenomenon in 2015 with social media torn on whether the dress was blue and black or Remember the dress debate of 2015? Was it blue and black or white and gold? This viral optical illusion took over social media, sparking debates worldwideeven celebrities joined in! It Lustrous Black Sequin Net Stretchable Aline Dress The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example