Meryl Streep didn't sacrifice fashion for function during her promotional duties for "The Devil Wears Prada 2." Images for Disney; ImaZins via Getty Images With countless “The Devil Wears Prada 2” press tour appearances on her schedule, Meryl Streep has been moving at anything but a glacial pace lately. So to keep her comfortable throughout her many premieres — while still looking Miranda Priestly-level chic — her go-to stylist, Micaela Erlanger, teamed up with Sole Bliss on a line of custom heels. “We share the same view that stylish high heels shouldn’t be inherently uncomfortable, and our ambition with the collection was to make ‘5-inch stiletto’ and ‘comfort’ synonymous,” the brand’s founder, Lisa Kay, told Page Six Style.…