Snapchat is rolling out a new AR experience that lets you try on and purchase Halloween costumes directly within its app, the company announced today. Starting today, Snapchat users can try on and buy costumes of popular movie and TV characters from “Stranger Things,” the “Harry Potter” series, “Squid Game,” “Minecraft,” “Ghostbusters” and more. The new AR experience is launching in partnership with costume company Disguise.