Pop princess Britney Spears has fired four of her minders - after police complained their erratic driving could endanger her and other motorists. The TOXIC star, who hit the headlines last week (26APR06) when she fired her son Sean Preston's nanny, has been facing a barrage of criticism over her parenting skills. And now she is desperate to show she the perfect mother. A friend of the star tells British newspaper The Sun, "She doesn't want to take any chances."