Excellent street style, Alexa Chung being back in town, and free popcorn? It can only mean one thing: London Fashion Week AW15 is upon us. So, double up that denim and wrap up warm in your colourful Shrimps coat and come join us for the five-day fiesta. But before you start pinning your new-season wardrobe, here’s our heads up and hats off to what’s going to explode your social feeds this season.