Shelley was a Supermodel by 1978. She had become a well-known model worldwide via her Charlie perfume endorsements. She was "one of the reigning beauties of the moment", as one writer put it - and she truly was. Her portrayal of THE Charlie Girl as a fabulously independent modern woman resonated everywhere. Women were becoming more and more independent and confident of themselves; and Shelley's Charlie Girl was in sync with the times.