Leona Lewis records avatar theme song

Leona Lewis rubs shoulders with Justin Timberlake at the party for her new album "Echo" held at the Hyde Lounge on Tuesday (November 17) in Los Angeles.

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The 24-year-old singer has just recorded the theme song, "I See You", for the eagerly anticipated science fiction film Avatar. The track will reportedly be played during the closing credits of the movie.

Leona worked with producers James Horner and Simon Franglen, who both produced the Titanic hit track "My Heart Will Go On." Avatar is slated to hit theaters Dec. 16.