Patrick Schwarzenegger & Maria Shriver Have Mom-Son Bonding Time!

Patrick Schwarzenegger dons a graphic shirt while making his way to lunch at Tavern on Thursday (May 28) in Brentwood, Calif.

The 21-year-old actor was joined by his mom Maria Shriver, who carried her cell phone in a very unique way.

PHOTOS: Check out the latest pics of Patrick Schwarzenegger

On the same day, Maria tweeted, “We’re all under incredible amounts of stress. Don’t let it overtake you, 5 calming steps from yogi @MelSalAugust.”

15+ pictures inside of Patrick Schwarzenegger and Maria Shriver stepping out for a lunch together in Brentwood…