Well, the festivals have truly started, and the best dressed ladies in music are making their mark with some very different styles. Lana Del Rey, Rita Ora, Florence Welch, Rihanna and Jessie J have all made appearances over the last weekend at Hackney Weekend, approaching festival dressing in their own inimitable style. My favourite was the gorgeous Lana Del Rey, who seems to get more like Nancy Sinatra with every sighting. She took to the stage at Hackney a week after her appearance at Lovebox, defining her as one of the faces of Summer 2012. Here are what some of the ladies have been wearing, and some ideas for getting…