Olivia Munn is today’s InStyle.com guest editor! Check back throughout the day for exclusive content straight from the actress herself. Go to InStyle.com/oliviamunnday. Here, the actress interviews her stylist, Micaela Erlanger (with Munn above), on the secrets to great style.  Olivia Munn: What’s the one piece of clothing you should splurge on? Micaela Erlanger: A Moto jacket and backpack—I’m a […]