"The World is Flat" is a bestselling book by Thomas L. Friedman in 2005. He pointed out in his book that the flattening of the world can be a force for good - for business, the environment and people everywhere. However, the world of fashion has already flattened with the creative and cross cultural designs of great fashion designers. The year, "cross culture" is a major fashion trend for Fall and Winter. Among these greats, Nicolas Ghesquiere of Balenciaga is the most admirable fashion designer with a mix and match of different enthnic fashion designs. From oriental to western, from batik printed dress to Russian military jacket, different cultural elements have been mixed to create an attractive and elegant fashion collection. In his hand and mind, flattening of the world has already been made happened in fashion. Besides Balenciaga, multi-cultural designs are also adopted in the fashion collections from Dries Van Noten, Anna Sui, Jean Paul Gaultier and Vivienne Westwood. To keep up with the changes, you should prepare yourself for this evergoing trends of globalization in fashion designs.