The lead signer of US R&B group Destiny's Child Beyonce Knowles as she poses for the media, Monday Nov. 1, 2004, ahead of a signing session at a London music store, for their new single titled "Lose My Breath" which is off their album "Destiny Fulfilled". (Photo: Dayoo)

Beyonce may not be nominated for any Academy Awards, but she will be the main musical attraction at this year's Oscars ceremony. The singer will perform three of the five tunes nominated for best original song.

Josh Groban and Beyonce will perform Believe at the 77th annual ceremony, set for Feb. 27 at the Kodak Theatre in Los Angeles.

Believe, written by Glen Ballard and Alan Silvestri, is from the film The Polar Express. It was performed by Groban on the movie's soundtrack.

Beyonce will step in for Minnie Driver to sing Learn to Be Lonely, the Andrew Lloyd Webber/Charles Hart tune from The Phantom of the Opera. Driver performed the song on the film's soundtrack. Accompanied by the American Boyschoir, Beyonce will also sing Look to Your Path from The Chorus.

Counting Crows will do their song Accidentally in Love from Shrek 2. Rounding out the nominations lineup, Carlos Santana and Enrique Iglesias will perform Al Otro Lado del Rio from The Motorcycle Diaries.