How do I achieve the Farrah Fawcett hair style?

I really love the hairstyles from the 70s...the Farrah Fawcett one. She was so beautiful. I was wondering if I have to cut my hair in layers? What kind of cut should I ask my stylist to do?How do I achieve the Farrah Fawcett hair style?
You could either do it yourself with the help of this website http://www.ehow.com/how_5123591_farrah-fawcett-hair.html or you could print the picture of the Farrah Fawcett hair style and tell your hairstylist that you want that hairstyle.