Fake fashion is a $450 billion dollar business. The bigger the brand name, the bigger the payoff for counterfeiters such as fake Louis Vuitton bags. Its signature series of canvas monogram bags is a prime target for knock-off artists and manufacturers. Many of these counterfeit Louis Vuitton bags are so convincing, they easily fool the average consumer. If you are in the market for the real deal, here's how to make sure you're not getting gypped.