Established in 1984, Forever 21 has become one of the most recognizable apparel retailers worldwide. Headquartered in Los Angeles, the fast-fashion destination is known to carry all of the most coveted trends at incredibly affordable prices for style-savvy shoppers all over the globe. In recent years, Forever 21 has grown into a leading fashion empire, spanning more than 500 stores in more than 20 countries. Forever 21's model of fast fashion works by keeping the store fresh, fun and exciting with new merchandise brought in daily. Forever21. Fashion Forever.