Patrick Schwarzenegger: L.A. Workout After Vegas Weekend!

Patrick Schwarzenegger works up a sweat as he gets in some exercise on the sunny Monday (April 8) in Los Angeles.

The 19-year-old aspiring model was joined by some male pals for the outdoor cardio session!

PHOTOS: Check out the latest pics of Patrick Schwarzenegger

Over the weekend, Patrick spent some time in Las Vegas with some friends.

“Vega$$$$$$$$$ with the boys” he tweeted early in the weekend. “The boys enjoying the pool overlooking the strip.” he added later, along with a pic of him and his pals in a pool.