Sage Stallone, son of "Rocky" star Sylvester Stallone, was found dead Friday in his Hollywood apartment.George Braunstein, the actor's attorney, told the New York Post, "He was in good spirits, and working on all kinds of projects. He was planning on getting married. I am just devastated. He was an extremely wonderful, loving guy. This is a tragedy."

The 36-year-old's father is in San Diego promoting the "Expendables" sequel at Comic-con.