The release of a new Sia song is cause for a celebration and even more so when the song benefits HIV/AIDS research.

The Australian singer-songwriter's new unreleased single, "Free Me," will be available for download and streaming on Friday, June 9, but the video starring Zoe Saldana is out now.

The clip stars Saldana as an expecting mother who learns she is HIV positive. She is then transported to a world full of dancers who move around her, with Saldana eventually joining in towards the end of the video with her own emotional dance routine.

If Sia and Saldana wasn't enough of a selling point, Julianna Moore also narrates the video.

"The #endHIV Campaign is honored to have these incredible stars partnering with us to draw attention to the fact that AIDS is still the number one killer of women of reproductive age," Zach Barnett, executive director of the Abzyme Research Foundation, said in a statement. "This video will also serve as the center piece for the next stage of our fund-raising with a goal of gaining FDA permission for human trials for our E-vaccine."

All proceeds from Sia’s video and the single will go directly to #endHIV.

Below, watch the beautiful video below starring Saldana and choreographed by Ryan Heffington.