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Barbra Streisand sings for Oscar.
The 70-year-old has joined the lineup of performers at the 85th Academy Awards.
Producers announced the two-time Oscar winner will perform during the show, but did not say how her appearance will tie into the Awards ceremony or what she will sing.
The Oscars will be presented at Hollywood's Dolby Theatre on February 24th and will be broadcast live, worldwide.
Barbra Streisand teams up with Oscar (0:29)
Jan. 30 - Academy Award producers say Streisand will perform during the Academy Awards telecast. Alicia Powell reports. ( Transcript )