What are some easy way's to revamp my outfits girls? 10 points, easy/?

What are some FREE ways to revamp my wardrobe, i have ton's of clothes but im getting tired of them. Right now its in that odd transition between winter and spring, so some day's its hot some day's its chilly, but anyway the point is, what are some way's to make my outfits cuter, and what are some new trends for this spring?