Sia, Elizabeth Banks, Aisha Tyler and Other Stars Sing DNC Anthem 'Fight Song': Watch

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Elizabeth Banks performs "Fight Song" in support of Hillary Clinton.

Sia, Elizabeth Banks, Aisha Tyler, Connie Britton and a galaxy of other stars from film, music and TV have come together to record an acapella cover of Rachel Platten hit "Fight Song" in support of Hillary Clinton.

"Our Fight Song" was released on the second day of the Democratic National Convention in Philadelphia. The video ends with Sia simply saying "Go Hillary."

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Banks, who directed and co-produced the video (along with Bruce Cohen and MikeĀ Thompkins), took inspiration from Pitch Perfect, the sequel of which she also directed.