Arnold Schwarzenegger and Maria ShriverMaria Shriver spent Memorial Day weekend with her children while her estranged husband, Arnold Schwarzenegger, was seen riding his motorcycle around town. is reporting that Shriver was all smiles when she dined out in Malibu on Sunday night with her children and a few friends.

Only her 17-year-old son Patrick was missing as he was celebrating the holidays with his own friends.

Shriver, 55, also took to Twitter to remember people who gave their lives in the line of duty and their families.