Shelley (who was represented by model agent Eileen Ford) began to modeling, part-time, during her summer breaks from school in the 1960s. Later, after graduating from Smith College, she signed on full-time at Ford Models Inc., and became one of the most in-demand models in the United States. She appeared on magazine and catalog covers and pages, on newspapers, on print and TV advertisements, and even on packaging covers. In 1973, she appeared on the package covers of Goody products. Goody was/is a brand that specializes in hair brushes, combs and other hair accessories. The brand is considered one of the most innovative hair product manufacturers and even won a gold ABBIE award from the American Beauty Association. In 1973, Shelley appeared on two different package cover variations of Goody Hair Nets; but both package variations contained 3 dark brown nylon hair nets with elastic edges. In the same year, she appeared on the package cover of the Goody Shower Bonnet (For more, check out: Super Bouffant).
