We never seem to have enough time in the day, do we? Between work and errands, taking care of the kids and cleaning the house, adding on some sports practice or book club meetings it seems like shopping is one more thing that can wait. But when you look at your closet today, how much of what's hanging in there is actually worth wearing tomorrow? Here are things every woman needs in her closet so she looks great no matter what life throws at her. As any woman knows, it's not the number of clothes that you own but how well your individual pieces work together as a cohesive whole. However, if you're new to the fashion game and don't want to invest in several complete outfits (to say nothing of yearly shopping sprees), we've compiled this list of wardrobe essentials every woman should possess—for day and night. Though there's no such thing as an algebraic formula for "what to wear," these closet must-haves can be mixed and matched to create countless c