The dress that Gaga wore during the finale of Nicola Formichetti's Mugler show was listed on Gilt Groupe for $20,000 last week, and after popping in and out of people's shopping carts for days, the sale concluded without a buyer, a Gilt Groupe rep confirmed this morning. So, what happens to it now? Will Gaga welcome it back to her closet, or will she pull a Princess Beatrice and give eBay a shot? Earlier: The Mugler Dress Worn by Lady Gaga Is Still Available for $20,000