Celebrating Oprah

Oprah Winfrey's Star-Studded Farewell Taping

See the A-listers – Halle Berry! Maria Shriver! Madonna! – who bid adieu to the talk-show queen at Chicago's United Center

ROSIE O'DONNELL

The former talk-show host – who will return to daytime TV on OWN – gives Oprah props in a jazzy sing-along where she introduces Oprah's protégés, Dr. Phil McGraw, Dr. Mehmet Oz and Nate Berkus.