Popsugar Entertainment Gossip Girl Gossip Girl Costume Ideas Spotted: Nostalgic Gossip Girl Halloween Costumes October 25, 2017 by Laura Marie Meyers View On One Page Photo 9 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Rufus Humphrey What to wear: Jeans, a plaid button-down, and a leather jacket. Go for rugged, worn-in pieces. How to act: Continuously make references to your band, the good ole days, and your amazing waffles. Previous Next Start Slideshow Gossip GirlHalloweenNostalgiaHalloween CostumesTV