Popsugar Celebrity Halloween Celebrity Halloween Costumes 2019 | Pictures These Celebrity Halloween Costumes From 2019 Were a Real Treat — Look Back at the Best Snaps September 12, 2020 by Kelsie Gibson First Published: October 25, 2019 View On One Page Photo 1 of 111 ADVERTISEMENT () Start Slideshow View this post on Instagram 🦄 A post shared by Lady Gaga (@ladygaga) on Nov 1, 2019 at 6:46pm PDT Share This Link Copy ← Use Arrow Keys → 1 Lady Gaga as a Unicorn Previous Next Start Slideshow HalloweenHalloween CostumesHalloween Costumes 2019Celebrity Halloween Costumes