Throughout the late 1960's and 1970's, bell bottoms which were pants that become wider below the knee became a popular fashion trend. The pants originally were used by those who worked on boats in the 17th century. During the hippie movement in the late 1960's, the fashion trend was brought up again and became popular in London into Europe, which then expanded to North America. After disappearing from the spotlight after the 1990's, bell bottoms have now become a popular fashion trend with teens