Britney Spears has taken the kids to Las Vegas

The problem is she's apparently broken her custody agreement with KFed. Their agreement states that she is not allowed to take the kids out of Los Angeles unless she gets permission from him. KFed's lawyers have ordered Brit Brit back to L.A. STAT according to Life and Style.

Brit is staying at the Wynn Las Vegas where sources say she's had the place "baby proofed."

Brit has also fired her assistant of 3 weeks, Shannon Funk.

A source said, "Britney felt a lot of her recent troubles started and stopped with Shannon. Britney thought she was talking badly about her. She was very rude and Britney felt she was letting business emails fall by the wayside.”