Shriver031411_06_X17230WM.jpgMaria Shriver will be filing for divorce from Arnold Schwarzenegger after 25 years of marriage, according to Entertainment Tonight.

Schwarzenegger, 63, and Shriver, 55, announced their separation back on May 9. A few days later, it was revealed that the former Governor had fathered an illegitimate son with Mildred "Patty" Baena. Baena had worked for the Schwarzenegger family as their housekeeper for twenty years.

Arnold and Maria have four children: sons Patrick and Christopher as well as daughters Katherine and Christina.

Find out what an insider had to say about how Maria is holding up ... after the jump.