Britney Spears fires nanny!

Toxic singer Britney Spears has fired her nanny reports MSNBC.

The singer made the decision to fire Sean Preston’s nanny in the wake of the child falling from his highchair, according to In Touch Weekly.

When seven-month-old Sean toppled out of his high chair and fractured his scalp it wasn't his first fall, an ENQUIRER investigation uncovered.

Twice before, the baby has rolled off of the pop princess' bed and crashed to the floor. Doctors say Sean could suffer brain seizures or memory loss for years to come.

Britney has been “hiding out and depressed� since her son’s incident and cancelled plans to celebrate her brother Bryan’s birthday. “She wanted to be a mother and thought she could snap her fingers and be the perfect mom,� a “pal� told the mag. “But Britney is learning the hard way that being a good mother is something you always have to work at.�

Britney also reportedly hired a doctor to advise her on how to keep her tot safe. “The doctor advised her not to leave Preston on any high surfaces where he could roll off.�

Childcare is also putting additional pressure on Spears’ marriage to her rapper hubby, Kevin Federline.