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FILE - This Nov. 15, 2007 file photo shows Craig Zadan, left, and Neil Meron, producers of the film "Hairspray" at the Santa Barbara International Film Festival's in Santa Barbara, Calif. Academy Awards producers Zadan and Meron announced Monday, Feb. 11, 2013, that Renee Zellweger, Catherine Zeta Jones, Queen Latifah and Richard Gere will return to the stage where “Chicago” won best picture in 2003. Zadan and Meron also produced the film. The 85th annual Academy Awards will be presented Feb. 24, 2013, at the Dolby Theatre and broadcast live on ABC. (AP Photo/Michael A. Mariant, File) Image Credit: AP

Academy Awards producers Craig Zadan and Neil Meron have run out of rehearsal space. Dressing rooms, too. And they just added more stars to their performance filled show.

They say the cast of "Chicago" will reunite at this year's Academy Awards.

The producers announced Monday that Renee Zellweger, Catherine Zeta Jones, Queen Latifah and Richard Gere will return to the stage where "Chicago" won best picture in 2003. Zadan and Meron also produced the film.

They demurred when asked if the musical cast would sing on the performance-filled show, set to include appearances by Barbra Streisand, Adele and Norah Jones.

"We can't talk about what they're going to do!" Zadan said.

The 85th annual Academy Awards will be presented Feb. 24 at the Dolby Theatre and broadcast live on ABC.