Sia and filmmaker-husband Erik Anders Lang separate

Grammy-nominated singer Sia and her husband, filmmaker Erik Anders Lang, are separating.

In a statement released through a spokesperson on Wednesday, Sia and Lang said “after much soul searching and consideration we have made the decision to separate as a couple.”

They were married in August 2014. They said they are “dedicated to remaining friends.”

No more details were provided.

Sia has written songs for Beyonce, Rihanna, Katy Perry and others, and is also known for her own string of hits such as Chandelier and Cheap Thrills. She earned three Grammy nominations on Tuesday, including best pop vocal album for This Is Acting.

Lang’s website says he has created documentaries for Louis Vuitton, Honda, MTV and other companies.