A set-design makeover? For a much-anticipated movie sequel? As Miranda Priestly herself would snap… groundbreaking . But leading up to The Devil Wears Prada 2 (now in theaters), production designer Jess Gonchor knew the set pieces seen in the iconic 2006 blockbuster needed an aesthetic facelift—from the Runway magazine offices to our heroine’s apartment to the climactic overseas hot spot. “We had to get bigger and better,” he says. Twenty years after Andy Sachs ( Anne Hathaway ) became the second assistant to Runway magazine’s infamously intimidating silver-haired editor-in-chief ( Meryl Streep) , the publication’s New York City home base has changed floors within the fictional Elias-Clarke company building and has expanded to include digital and video operations. That evolution meant the sets, constructed on a soundstage at the Kaufman Astoria Studios in Queens, were about eight times bigger compared to the original production.…