Emotional Sia music video spotlights HIV awareness

In the video for "Free Me," released Thursday, Saldana plays a pregnant woman who learns she has HIV and must be treated so she can prevent the spread of the disease to her unborn child.

Through interpretive dance, viewers then follow the woman's emotional turmoil, with an ultimately hopeful ending.

Oscar-winner Julianne Moore lends her voice as the narrator.

Sia splits from her husband after two years of marriage

The singer and film producer have gone their separate ways after two years of marriage.

The couple got engaged in 2014 and tied the knot just two months later.

In a joint statement the pair have said they would be "dedicated to remaining friends." In the past she has spoken about how he influenced her music and the pressures of having a public relationship.