Sia has called an end to her marriage with film maker Erik Anders Lang.
The pair are separating after two years of marriage.
In statement to People, the couple said: “After much soul searching and consideration we have made the decision to separate as a couple.”
“We are, however, dedicated to remaining friends. There will be no further comment.”
The couple were married in a private ceremony at the star's home in August 2014.
Sia, who is notoriously shy of fame and hides her face from the public, has written songs for the likes of Beyonce, Rihanna, Katy Perry, is now best known for her own hits.
Sia has been nominated for seven Grammy awards in total, including Best Pop Vocals and Best Pop Duo/Group Performance at this year's ceremony.