Popsugar Celebrity Halloween Costumes 2018 Nina Dobrev and Her Dog's Unicorn Costumes Halloween 2018 Nina Dobrev and Her Dog Wore Matching Costumes, and You Bet It Was "UniCORNY" 30 October 2018 by Perri Konecky View On One Page Photo 11 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 Previous Next Start Slideshow Halloween Costumes 2018Celebrity Halloween CostumesNina DobrevHalloween CostumesHalloweenCelebrity Pets