Michael Jordan, Tom Cruise, Tom Hanks & more at Oprah's Farewell Show

Bigtime celebs made a surprise appearance at Oprah's Farewell Show, which was taped last Tuesday, May 17, at the United Center in Chicago.

Dubbed as "The Farewell Season: Oprah's Surprise Spectacular", The Oprah Winfrey Show's finale / last episodes will be aired on May 23 and 24.Oprah's show is signing off after being on air for 25 years, the longest-running daytime talk show in the US.

Here's the list of celebs appearing on Oprah's Farewell Show, which include Arnold Schwarzenegger's wife Maria Shriver, who despite the marital crisis she's going through, managed to surprise Oprah Winfrey on her show:

(in alphabetical order)

Alicia Keys
Aretha Franklin
Beyonce
Dakota Fanning
Diane Sawyer
Gayle King
Halle Berry
Jackie Evancho
Jada Smith
Jamie Foxx
Jerry Seinfeld
Josh Groban
Katie Holmes
Kristen Chenoweth
Madonna
Maria Shriver
Maya Angelou
Michael Jordan
Patty LaBelle
Queen Latifah
Rascal Flatts
Rosie O'Donnell
Simon Cowell
Stedman Graham
Stevie Wonder
Tom Cruise
Tom Hanks
Tyler Perry
Usher
Will Smith

I wonder why Oprah's goddaughter Charice wasn't part of the farewell show.