This week there are below zero temperatures in the middle of the day in New York City. And yet style superstar Olivia Palermo seems to make it all look just as chic as ever as she walks her dog and picks up coffees. Her signature style of hi-lo designers, flats for day, skinny legs and layered tops — all is present and correct. And she has added some head wear for added warmth. Totally awesome fun. Even her pup has cute booties on...