When we look back at the summer of 2015 in fashion terms, we will remember it as the year the 70s had a revival. It has been virtually impossible to escape 70s style this season, almost all High street, online and designer brands have done their version of the fashion of the 1970s.  A decade that used to be considered one that style had forgotten, it is now seen as a era when new and vibrant designs by the likes of Zandra Rhodes, Bill Gibb, Halston and Betsey Johnson all contributed to a really exciting time in fashion. This post is contributing on two key items that have been style…