Which city is not one of the big four fashion capitals of the world?

Any city other than New York (the United States), Paris (France), Milan (Italy) and London (England) cannot be called one of the big four fashion capitals of the world.

Explanation:

The four cities mentioned in the answer comprise of the four big fashion capitals of the world. It is believed that the modern fashion world is most influenced by the fashions originating in these four cities. These cities host the "biggest fashion houses" in the world.

The four fashion capitals of the world are New York City, Paris, London, and Milan. Any city that are not these for would not be considered a fashion capital.