Gypsy, wanderer, nomad, bohemian — call her what you will, but she is the ultimate free spirit. If you want a liberating costume this Halloween, look no further than the exotic gypsy. Much like the cirque du freak, the gypsy requires piling it all on. The main fashion components are coin jewelry, bangles, anklets, floor-sweeping skirts, paisley prints, head scarves, velvet, and layers — see Star from The Lost Boys for a vampy version. A wavy ebony wig can also help with authenticity. Roam away . . .