15 Most Frequent Celebrity Guests
Over the years, Maria has shared her wisdom and grace with the audience, and spoken out about important topics like Alzheimer's disease and the September 11 terrorist attacks. She has also empowered young people to be their best selves. "To kind of become your own person was, and is continuing to be, a challenge. I see that even for my own kids, and I think every kid is entitled to be who they are," Maria said in April 2008.