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The costume: Alexandra Medford from The Witches of Eastwick The essentials: Silk robe, slip dress, black calf boots Shop the look: The costume: Troll The essentials: Green wig, statement coat, blue heels, blue face makeup Shop the look: The costume: Mermaid The essentials: Sparkly skirt, swim top, pink wig Shop the look: The costume: Morticia Addams The essentials: Black dress, black coat, red lipstick Shop the look: The costume: Harley Quinn The essentials: Bomber jacket, fishnet tights, pink blue hair dye Shop the look: The costumes: Race car driver The essentials: Checkered driver suit, sunglasses, sandals Shop the look: The costume: Modern vampire The essentials: Red robe, pajamas, vampire teeth, sunglasses, slippers Shop the look: The costume: Cleopatra The essentials: Shimmery gold dress, black wig, choker necklace, dark eyeliner, sandals Shop the look: The costume: Dionne from Clueless The essentials: Black plaid miniskirt and matching blazer, white T-shirt, red cardigan, black tights, black mini bag, ankle boots The costume: Coachella Beyonc The essentials: Denim shorts, yellow sweatshirt, sparkly silver boots Shop the look: The costume: Skeleton The essentials: Black leather pants, leather gloves, a corset, black pumps, sunglasses, skeleton face makeup Shop the look: The costume: Vivian Ward from Pretty Woman The essentials: Black over-the-knee boots, blonde wig, cutout dress, hoop earrings, red lipstick Shop the look: The costume: Fembot The essentials: Feather dress, feather heels, gloves, nude lip, blonde wig Shop the look: This post was published at an earlier date and has been updated.

Steer clear of shiny-looking cloths and avoid contrast stitching or anything novelty, as this can cheapen your look, says personal stylist Sarah Gilfillan of Sartoria Lab

Plenty of time to try it on.

WHERE TO WEAR: Romantic dinner dates, parties, champagne with the girls, rooftop bars, vacays

In the early medieval period, truly black garments remained difficult and expensive to produce, those same iron-tannin dyes still faded, and the deeper the shade, the more labor-intensive the process