Iconic Hairstyles of the 70s of All Time There is an unapproachable article about the iconic 70s hairstyles that will make you feel tempting in a second. Every new era has its own apparition trends, and it’s funny how hairstyles change over the years. There is no extra era like the 70s back, it comes to hairstyle trends. The 70s were full of a lot of fun styles. There have been so many changed looks in the era that it’s unyielding to define an accepted look.