VIDEO : Check Out Rob Kardashian & Blac Chyna's 'Purge' Halloween Costumes

Rob Kardashian and Blac Chyna's Halloween costumes are definitely memorable! The couple dressed up as characters from "The Purge" movie franchise. On Monday, Chyna shared a black and white shot of both of them in full costume. "Find somebody that's just as crazy as you," she captioned. The reality star also shared an Instavid of her and two friends standing menacingly. "Purging tonight," she captioned.