They're staying in shape!
And looking beautiful while doing it!
Nicole Richie joined the two with her precious doggy and the three, er, four looked to be having a lot of fun together!
Well, at least they seemed to be when they
Tags: bestiez, body, dog, fitness, health, hike it, hollywood hills, love line, miley cyrus, miley cyrus photo, nicole richie, nicole richie photo, patrick schwarzenegger, patrick schwarzenegger photo, pets, running, runyon canyon