Popsugar Celebrity Halloween Costumes 2018 Olivia Munn Peik Lin Halloween Costume 2018 Let's Give a Crazy Rich Round of Applause For Olivia Munn's Peik Lin Halloween Costume 31 October 2018 by Victoria Messina First Published: 30 October 2018 View On One Page Photo 4 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Previous Next Start Slideshow Halloween Costumes 2018Pop Culture Halloween CostumesCelebrity Halloween CostumesOlivia MunnHalloween CostumesHalloween