Sia has announced she is now a proud grandmother.
The 44-year-old Australian star shared the news on DJ Zane Lowe's Apple Music podcast.
She told listeners the younger of her sons recently became the father of two new babies.
She said that the kids currently call her "Nana", but she is hoping they will call her "Lovey" instead.
Back in May, the pop singer revealed that she had adopted to sons who were "aging out of the foster care system:".