Maria ShriverIt looks like Maria Shriver is gearing up and taking steps to protect herself and her children from a potentially long and costly divorce battle with her separated husband Arnold Schwarzenegger.

PEOPLE is reporting that Shriver has hired top celebrity divorce lawyer Laura Wasser to represent her.

Wasser is a Los Angeles-based family lawyer whose previous clients include Angelina Jolie, Christina Aguilera, Stevie Wonder and Britney Spears.

A source is quoted saying, "Maria hasn't decided yet if she wants to end her marriage."