Beyonce a triple threat at the Oscars

Beyonce Knowles will have her work cut out at the 77th Academy Awards on February 27 - she's singing three of the five nominated songs.

The Destiny's Child star had already signed up to duet with Josh Groban on The Polar Express theme Believe and now she has agreed to sing the Original Song nominees from Phantom of the Opera and Les Choristes (The Choir).