Popsugar Celebrity Halloween Costumes 2022 Riverdale Stars Dress as Sanderson Sisters For Halloween Lili Reinhart, Camila Mendes, and Madelaine Petsch Dress Up as the Sanderson Sisters 1 November 2022 by Chanel Vargas View On One Page Photo 1 of 5 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Lili Reinhart (@lilireinhart) Share This Link Copy ← Use Arrow Keys → 1 Previous Next Start Slideshow Halloween Costumes 2022Camila MendesMadelaine PetschLili ReinhartRiverdaleCelebrity FriendshipsCelebrity InstagramsCelebrity Halloween CostumesHalloween Costumes