Miley Cyrus to sing a new track for 'Freeheld' movie

Los Angeles: Miley Cyrus is all set to lend her voice in the upcoming "Freeheld" movie.

The singer and LGBT rights advocate announced over the weekend that she's singing a tune for the film, which will star Julianne Moore and Ellen Page, reported Ace Showbiz.

Cyrus, 22, posted on Instagram a picture of the two actresses and revealed in the caption that the song she'd sing for the movie was written by Linda Perry.

"Proud to be apart of @freeheldmovie. Singing a tune written by @jesusonmars," she wrote.

"Thank you to this incredible cast for giving a face to this incredible story and shining light on the brutal dark truth of love vs the law!"

The film centres on Laurel Hester and Stacie Andree as they fight for pension benefits for same-sex domestic partnerships after Laurel's tragically diagnosed with terminal lung cancer.