The Met Gala isn’t just about bold fashion—it’s a high-stakes runway where millions of dollars can literally be sewn into a single look. Every year, celebrities compete to outdo each other with jaw-dropping designs, rare materials, and historic pieces that blur the line between fashion and museum artifacts. But one question keeps popping up: who actually wore the most expensive Met Gala dress ever? The answer might surprise you because it isn’t just about design—it’s about history, rarity, and cultural impact. If you’ve ever wondered how far fashion can go when money is no object, this breakdown reveals exactly what makes one dress stand above the rest.