Winfrey's last ever talk show!

Oprah Winfrey greets singers Beyonce and Madonna during the taping of 'Oprah's Surprise Spectacular' in Chicago May 17, 2011. Winfrey kicked off one of her last-ever national talk shows with hugs from Tom Hanks, Tom Cruise and Madonna in a packed Chicago arena. (Reuters/John Gress)

Oprah Winfrey glances up at actor Tom Hanks during the taping of 'Oprah's Surprise Spectacular' in Chicago May 17, 2011. (AFP/John Gress)

Singer Beyonce performs during the taping of 'Oprah's Surprise Spectacular' in Chicago May 17, 2011. (Reuters/John Gress)

Oprah Winfrey acknowledges fans during a star-studded double-taping of 'Surprise Oprah! A Farewell Spectacular,' Tuesday, May 17, 2011, in Chicago. 'The Oprah Winfrey Show' is ending its run May 25, after 25 years, and millions of her fans around the globe are waiting to see how she will close out a show that spawned a media empire. (AP/)

Winfrey kicked off one of her last-ever national talk shows on Tuesday with hugs from Tom Hanks, Tom Cruise and Madonna in a packed Chicago arena. (Reuters/John Gress)

Madonna hugs Oprah Winfrey as she appears during a star-studded double-taping of 'Surprise Oprah! A Farewell Spectacular,' Tuesday, May 17, 2011, in Chicago. (AP/Charles Rex Arbogast)

Singer Beyonce performs during the taping of 'Oprah's Surprise Spectacular' in Chicago May 17, 2011. Oprah Winfrey kicked off one of her last-ever national talk shows on Tuesday with hugs from Tom Hanks, Tom Cruise and Madonna in a packed Chicago arena. (Reuters/)

Gayle King and Maria Shriver hugs Oprah Winfrey during a star-studded double-taping of 'Surprise Oprah! A Farewell Spectacular,' Tuesday, May 17, 2011, in Chicago. (AP/Charles Rex Arbogast)

Actor Tom Cruise and his wife Katie Holmes stand onstage during the taping of 'Oprah's Surprise Spectacular' in Chicago May 17, 2011. (Reuters/John Gress)

Oprah Winfrey stands between singer and actor Will Smith and his wife actress Jada Pinkett Smith during the taping of 'Oprah's Surprise Spectacular' in Chicago May 17, 2011. (Reuters/John Gress)

Oprah Winfrey (2nd L) is kissed by singer Usher (3rd L) next to actor Will Smith (C), former NBA basketball player Michael Jordan (3rd R), actor Tom Cruise (2nd R), talkshow host Rosie O'Donnell (R), and Simon Cowell (L) during the taping of 'Oprah's Surprise Spectacular' in Chicago May 17, 2011. (Reuters/John Gress)

Beyonce Knowles performs on stage during the taping of the third to last Oprah Winfrey Show at the United Center in Chicago, Illinois, Tuesday, May 17, 2011. (AFP/)

Beyonce Knowles performs on stage during the taping of the third to last Oprah Winfrey Show at the United Center in Chicago, Illinois, Tuesday, May 17, 2011. (AFP/)

Oprah Winfrey (L) hugs singer Usher (2nd L) next to actor Tom Cruise (2nd R) and singer Aretha Franklin (R) during the taping of 'Oprah's Surprise Spectacular' in Chicago May 17, 2011. (Reuters/John Gress)

Oprah Winfrey (L) hugs singer Usher (2nd L) next to actor Tom Cruise (2nd R) and singer Aretha Franklin (R) during the taping of 'Oprah's Surprise Spectacular' in Chicago. (Reuters/John Gress)