Pop star Britney Spears has fired her child's minder after a string of press reports questioned her parenting skills. The TOXIC singer and her husband Kevin Federline received a visit from Department Of Children And Family Services (DCFS) officials after Spears took her son Sean Preston to hospital when he reportedly fell out of his high chair. In February (06), the department also looked into claims Spears was driving with her son on her lap and not in a mandatory car seat. But the singer is so determined to prove sceptics wrong she has reportedly sacked her nanny and given up a host of engagements - including her brother BRYAN's birthday party - to stay at home with her son. A friend tells American magazine In Touch, "She wanted to be a mother and thought she could snap her fingers and be the perfect mom. "But Britney is learning the hard way that being a good mother is something you always have to work at."