Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Alicia Keys performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Stedman Graham attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Alicia Keys performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Tom Hanks, Oprah, Diane Sawyer, Queen Latifah, Patti LaBelle, Beyonce, Madonna, Dakota Fanning, Halle Berry and Katie Holmes and Tom Cruise attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Maya Angelou and Oprah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Oprah and Usher attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Rascal Flatts perform during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Aretha Franklin performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Diane Sawyer attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Kristin Chenoweth performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Kristin Chenoweth performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Gayle King, Oprah and Maria Shriver attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Dr. Phil attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Stedman Graham attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Gary LeVox of Rascal Flatts performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Kristin Chenoweth, Gayle King, Oprah and Tyler Perry attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Alicia Keys performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Halle Berry, Katie Holmes and Queen Latifah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Madonna attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Madonna attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Tom Hanks, Oprah, Jada Pinkett Smith and Will Smith attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Usher performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Tom Hanks, Oprah, Jada Pinkett Smith and Will Smith attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Oprah attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Oprah attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Halle Berry, Katie Holmes and Queen Latifah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Diane Sawyer attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Jada Pinkett Smith and Queen Latifah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Tyler Perry attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Usher performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

File photo of Maya Angelou. (Credit: Daniel Boczarski/Getty Images)

CHICAGO, IL - MAY 17: Maya Angelou attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Halle Berry attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Jada Pinkett Smith and Queen Latifah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Diane Sawyer, Queen Latifah, Patti LaBelle, Beyonce, Madonna, Dakota Fanning, Halle Berry and Katie Holmes and Tom Cruise attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Gary LeVox of Rascal Flatts performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Madonna attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Aretha Franklin performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Madonna attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Aretha Franklin performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Aretha Franklin performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Oprah, Will Smith, Usher and Tom Hanks and Stevie Wonder attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Halle Berry attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Usher performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Usher performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Diane Sawyer attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Usher performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Kristin Chenoweth performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Oprah and Maria Shriver attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Gayle King, Oprah and Maria Shriver attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Gayle King, Oprah and Maria Shriver attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Tom Hanks and Oprah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Madonna attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Will Smith, Jada Pinkett Smith and Oprah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Diane Sawyer, Jay DeMarcus, Tom Hanks, Queen Latifah, Patti LaBelle, Beyonce, Madonna, Oprah, Dakota Fanning, Halle Berry and Katie Holmes and Tom Cruise attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Halle Berry, Katie Holmes and Queen Latifah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Aretha Franklin performs during Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Halle Berry attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Maya Angelou attends Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Aretha Franklin and Oprah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)

Surprise Oprah! A Farewell Spectacular

CHICAGO, IL - MAY 17: Halle Berry, Katie Holmes and Queen Latifah attend Surprise Oprah! A Farewell Spectacular at the United Center on May 17, 2011 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images)