Debbie Wingham's World's Most Expensive Dress Worth $5.6 Million Haute Living The 10 most expensive dresses to ever be sold at auction At $5 Million, the Worlds Most Expensive Dress Comes to San Francisco 10 of the Most Expensive Red Carpet Dresses of All Time Burgundy Scoop Neck A Line Midi Dress This $15 million wedding gown becomes third most expensive dress in the world London Evening Standard The Standard