In 1998, they both gave up glamour modeling and established the pop group named, Graaf.
After seeing how much success Pamela Anderson had, Hannah decided to get breast augmentation and pursue glamour modeling.
In 1998, the sisters gave up glamour modeling to pursue a music career.
With successful modeling careers behind them, the pair formed the musical duo, The Graaf Sisters.
Under the guidance of producers Christer Sandelin, Per Adebratt, and Tommy Ekman, the two released their debut album Graaf.