Tiffany's Men's pop-up store next door to its soon-to-renovate flagship will give visitors a taste of what the new Tiffany retail experience will look like. Image courtesy of Tiffany & Co. Tiffany & Co., now in the headlines after accepting a $16.2 billion acquisition offer from French luxury giant LVMH, has opened a men’s holiday pop-up store next to its flagship location on Fifth Avenue in New York.