Avril Lavigne has fired her manager and management company.

The 'Girlfriend' singer is said to be distraught that her latest album and tour proved less popular than her previous efforts, and blames Nettwerk mogul Terry McBride for her lack of success.

A source told gossip blogger Perez Hilton: "Avril is hoping that new management can help her new album be more successful than the last."

Come on Avril, why blame others when YOU are maybe the one to blame for the poor record sales!