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 18 of 68 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 Claire From Outlander What to wear: A big tartan skirt with a blouse over it and a gigantic woolly scarf. How to act: Use an English accent and be a little cagey about your identity. Previous Next Start Slideshow HalloweenHalloween CostumesTVMovies