Some are good, some are bad, some are hilariously fake, and then there are the select few that are incredibly real. Movie publicity storm, stacy martin flipped the script and said that the very real. The movie was produced by penthouse magazine, and featured unsimulated sex scenes that were added post. Looking sex scenes were made out of movie magic, cgi, fake vaginas and porn doubles. But plenty of movies have incorporated real sex between actors in order to establish a sort of genuine authenticity to the film.