The timeless hairstyles seen in this gallery evolved between the 1940s and 1970s. Stylists of the future will surely look back to some of the styles of today and declare them classic and do their best to recreate them. Here is a collection of styles worn by Agyness Deyn, Dita Von Teese, Drew Barrymore, Eva Mendes, and J. Lo that recall the day of Audrey Hepburn, Liz Taylor, Twiggy, Veronica Lake, and other icons of Hollywood glam.