More than 20,000 Oprah Winfrey fans are getting their first look at O's massive stage as they file into Chicago's United Center for the taping of her final show tonight.
The arena -- usually home to the Chicago Bulls and Blackhawks -- is packed to the rafters ... according to our spies.
Oprah's A-list friends -- Tom Cruise, John Travolta, and Madonna -- are all expected to hit the enormous two-part stage during a taping that could take up to four hours.
Even Maria Shriver is in town for the...
TMZ — More than 20,000 Oprah Winfrey fans are getting their first look at O's massive stage as they file into Chicago's United Center for the taping of her final show tonight.
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