Update: What not-so 'Single Lady' just performed?
- Next gallery - First images from CBS' 'Person of Interest,' 'Unforgettable' and more
- Previous gallery - First images from ABC's 'The River'
Oprah Winfrey greets her fans
Oprah Winfrey greets her fans as they celebrate the end of "The Oprah Winfrey Show" at the United Center in Chicago