https://www.ted.com/profiles/10206112 is necessary, especially if you haven't kept up with trends in a while. Read can shopping online if you want to know how to improve your fashion sense.
Before you spend money on extras, make sure you have the essentials covered. Try to get pieces that work together and have a sense of fashion longevity. Buy quality pants, skirts, blouses and jackets in solid colors like black, creme and beige that can be mixed and matched with more trendy things easily.