The news was announced Monday by telecast producers Adam Shankman and Bill Mechanic.
This will be Cyrus and Efron's second appearance at the prize presentation, and Lautner and Stewart's debut on an Academy Awards telecast.
The ceremony to honor 2009's best in film is to take place March 7 at the Kodak Theatre at Hollywood & Highland Center.
NBC reportedly holds celebs hostage to Jimmy Fallon's show
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