The fashion world is ever-evolving, with new trends emerging and fading each season. However, certain timeless wardrobe essentials never go out of style. These undying fashion trends can form the foundation of a forever stylish wardrobe.  What Is the 20-Year Rule Fashion Trend? The 20-year rule suggests that fashion trends tend to repeat themselves approximately every 20 years. This is because trends often draw inspiration from past eras, and designers frequently revisit classic styles with a modern twist. 1. A White Shirt A white shirt is a staple in any wardrobe because of its incredible versatility. It can be used to dress up or dress down for almost any occasion. It complements all colors and styles and gives a clean, polished look, making it a great choice to build outfits around. Essentially, it’s a blank canvas for personal expression while...