HEROES star Hayden Panettiere was forced to "buy back" her identity after a fraudster posted fake information about her online. An internet prankster posed as Panettiere for several months and mislead fans by 'revealing' juicy titbits about the blonde beauty. She says, "(One report said I was learning karate and kickboxing). No! That's bulls**t. That comes from a while ago - when I was younger, somebody stole my identity. They pretended to be me for a few months and made up a load of stuff before we realised." The situation was soon resolved as the actress bought back her identity for a "fair amount".