The optical illusion dress that sparked a colour debate in 2015 rekindled interest after Amanda Rubinstein found it at a yard sale and shared it on TikTok. This discovery reignited discussions on whether the dress is blue and black or white and gold, with the video quickly going viral and confusing viewers anew.The optical illusion dress that sparked a colour debate in 2015 rekindled interest after Amanda Rubinstein found it at a yard sale and shared it on TikTok. This discovery reignited discussions on whether the dress is blue and black or white and gold, with the video quickly going viral and confusing viewers anew.