Popsugar Entertainment Halloween Pop Culture Halloween Costumes 2015 This Year's Hottest Pop-Culture-Inspired Costumes October 28, 2015 by Shannon Vestal Robson View On One Page Photo 1 of 68 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Joy From Inside Out What to wear: A little green shift dress and a blue wig. How to act: Happy and optimistic. Previous Next Start Slideshow HalloweenHalloween CostumesTVMovies