To be honest, with her effortless chic, Olivia Palermo could be the style icon of any month. But in July, Olivia really showed her style credentials as she showcased a whole range of stunning looks. Who else could attend the Giambattista Valli show wearing a Topshop dress, and still outshine everyone else in the room? Olivia did this in July,  and a whole lot more. I love everything about Olivia’s style. She is always immaculately groomed, never a hair out-of-place for this girl. Her clothes always look effortless, she will wear a simple shirt and maxi skirt for a film premiere and make it look like haute couture. She is…