Adrian Grenier, who starred as Nate Archibald, the boyfriend of Anne Hathaway's Andrea Sachs in "The Devil Wears Prada," is not returning for the sequel, according to an insider with knowledge of the project.

Filming for "The Devil Wears Prada 2" has officially started, and Kenneth Branagh is joining the cast. Anne Hathaway, Meryl Streep, Emily Blunt and Stanley Tucci return to star.

The original film, adapted from Lauren Weisberger’s novel, earned $326 million worldwide, secured Streep an Academy Award nomination, and has become one of the most beloved and frequently quoted movies of the century.