Christina Aguilera Reveals Hunger Games Song
Star tweets that she will be contributing to movie's soundtrack...
The pop star - who has just returned to work as a coach on The Voice USA - broke the news about the song, called We Remain, to fans on social networking site Twitter.
She said: "Love the underlying message of @TheHungerGames. 'We Remain' is special new song, its message to my fans & how I connect w/ the movie, alike."
Coldplay and The National are among the other acts appearing on the soundtrack of the movie sequel, which arrives in cinemas this November.
Two new cast members were revealed for the third instalment of the franchise earlier this week.