One notable fashion designer to emerge into the spotlight during this time was Diane von Fürstenberg, who popularized, among other things, the jersey "wrap dress". von Fürstenberg's wrap dress design, which was among the most popular fashion styles of the 1970s, would also be credited as a symbol of women's liberation.The French designer Yves Saint Laurent and the American designer Halston both observed and embraced the changes that were happening in the society, especially the huge growth of women's rights and the youth counterculture. They successfully adapted their design aesthetics to accommodate the changes that the market was aiming for. Top fashion models in the 1970s were Lauren Hutton, Margaux Hemingway, Beverly Johnson, Gia Carangi, Janice Dickinson, Patti Hansen, Cheryl Tiegs, Jerry Hall, and Iman.