Popsugar Entertainment Halloween The CW Halloween Costumes 40+ Costumes You Can Wear This Halloween If You're Obsessed With The CW October 25, 2017 by Kelsie Gibson View On One Page Photo 39 of 43 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 39 Petra From Jane the Virgin What to wear: Put on a blond wig and wear matching shorts and a top or a supershort dress and heels. How to act: A little crazy. Petra has had her ups and downs, but you must always remember she's capable of anything. Previous Next Start Slideshow HalloweenHalloween CostumesThe CWGroup Halloween CostumesPop Culture Halloween CostumesTV