The Devil Wears Prada cast has said they are open to returning for a third film, but only under specific conditions, as the sequel arrives in cinemas two decades after the original . For star Meryl Streep , the most important consideration has to be the script. Co-star Emily Blunt agreed, telling People magazine: “A good script. It's all about the script.” “And then, everybody has to say yes,” said Anne Hathaway , and Blunt confirmed it meant it had to be “the core four,” which included the magazine’s art director Stanley Tucci . “They have to be alive,” quipped Streep . The Devil Wears Prada , based on Lauren Weisberger’s 2003 novel of the same name, was released in 2006 to both commercial and critical success. Directed by David Frankel, the film followed Andrea “Andy” Sachs, played by Hathaway, as she lands a job working for Streep’s Miranda Priestly, the ice-cold editor of a major New York fashion magazine.…