Patrick Schwarzenegger: R+D Kitchen Lunch!

Patrick Schwarzenegger joins friends for lunch at R+D Kitchen on Thursday (August 16) in Santa Monica, Calif.

“Watching #sharkweek I now really want to go cage diving with them,” the 18-year-old actor tweeted. “Maybe Tom Johnson will stop by. @discovery.”

PHOTOS: Check out the latest pics of Patrick Schwarzengger

The day after, Patrick did a little prep work for college. He’ll be attending USC in the fall!

“Doing all my college dorm shopping today,” Patrick said. “Can’t believe school is coming back up. I wish I could re-do this summer.”

Pictured here is Patrick with sister Katherine, who also went to USC. Mama Maria Shriver took the pic!

FYI: Patrick wore the same blue shirt last year in June 2011!