How can i find my own style/trend? :D?

Im trying to find a style of clothing that is different but still fashionable and that i don't look like a total plonker, ? i like 1950's kind of style like the pin up girl looks, and the way the women use to wear their bandannas. Im 15 :). (Y) . any suggestions? for maybe hairstyle not cut style. : D and clothing?