Take a look back at the last hundred years of fashion for teenage girls. Where did the term "teenage" come from in the 1940s? When did teen girls begin to wear jeans? From the rolled down stockings of 1920s teen flappers to the "teen dream" crop tops from the 1990s film Jawbreaker, here is how teen girl's style has transformed over the last century. Still haven’t subscribed to Glamour on YouTube? ►► http://bit.ly/2gYlQqe 100 Years of Teen Girls Fashion | Glamour