Blue or brown? Rare butterfly could spark internet debate similar to the dress Buy Mint Velvet Blue Denim Midi Shirt Dress from Next Luxembourg 10 years ago today, this dress was posted online, turning into a viral phenomenon. Viewers couldn't decide if the dress was blue and black, or white and gold. It was later confirmed Blue Denim Embroidered Belted Half Sleeve Midi Dress Vivian Seven M Emma Watson's floating dress has confounded the internet Los Angeles Times High Neck Belt Detail Zip Down Fitted Mini Dress In Blue Denim EGO US EGO