Donating or selling old clothes to make room for this season's newest styles sounds like a good idea to us. (It feeds into our shopping addiction.) But before you start tossing out that new top or needs-to-be-tailored skirt, you'll want to review the Spring runway trends. That way, you won't accidentally throw out something that can be reworked into a 2018 outfit. So, what exactly should you keep? We thought through the It items fashion girls are stocking up on and compiled a list of seven pieces you should consider keeping, at least for this year.