Arnold Schwarzenegger made a joke about his ex-wife, Maria Shriver, while honoring journalist Chris Wallace at his Hollywood Walk of Fame ceremony on Thursday, September 18. Schwarzenegger, 78, feted Wallace, 77, during Thursday's event, describing him as a "fantastic journalist." "I know a lot about journalists. I've been interviewed - you can imagine, in my lifetime - by thousands and thousands of journalists," he said. "But not only that, I was also married to a journalist.