Traveling with style and packing light are true talents. What are the essentials? Which shoes do you take? How do you layer effectively? These are all questions we come across when packing for a weekend getaway. Your travel style can reflect your everyday wear with the help of a few key pieces you mix, match and layer. Here are the 9 guidelines for what every girl needs to pack in her suitcase this summer, plus tips to help you mix it up so you don't have to repeat the same look twice!