Groundbreaking.After 19 years and some mixed messages from the cast, “The Devil Wears Prada 2” is officially in production and set to hit theaters in May.The original film, based on the 2003 bestselling novel by Lauren Weisberger,

As hype continues to generate over the follow-up to a now-beloved film, the cast is rounding out. Hollywood veteran Lucy Liu will lend her talents to the film, as will Justin Theroux, Variety and People report.