These "Devil Wears Prada 2" co-stars are on the same sartorial page. Christopher Peterson / SplashNews.com; BACKGRID The Runway offices must be buzzing. During the fashion-filled “Devil Wears Prada 2” press tour , co-stars Emily Blunt and Simone Ashley both stepped out carrying bags from Vestirsi , an emerging Australian brand known for its quality Italian leather accessories. Ashley teamed the luxe-looking Ashley Bag with a pencil skirt and a stylish sweatshirt while out and about in NYC last week. Vestirsi Ashley Leather Shoulder Bag Vestirsi Ashley carried the aptly named Ashley Bag in NYC. GC Images And while she wore hers as a shoulder bag, it can also be transformed into a crossbody thanks to the removable shoulder strap. In addition to her versatile black hue, the design comes in four other neutral colors. She’s not the only on- and off-screen fashionista wearing the brand, as Blunt matched the black Vera Bag to her glossy leather skirt for an outing the same week.…