sulinh lafontaine presented herself as a daredevil stunt driver who appeared in newly released blockbuster .
said in interview on cnn ireport at furious 7 premiere in hollywood that she was the only female stuntwoman driving cars .
the production , in fact , employed seven or eight female stunt drivers , but lafontaine was not one of them .
she only appeared as extra on the set in a crowd of 1,500 .