In May, the 44-year-old revealed that she had become a mother via adoption, after welcoming two 18-year-old boys into her home and heart.
"My youngest son just had two babies.I'm a f-king grandma!" she said. "I'm just immediately horrified". Before she took them in, the boys had been housed in "18 different locations in their 18 years".
BEVERLY HILLS, CA - FEBRUARY 26: Sia Furler attends the 2017 Vanity Fair Oscar Party hosted by Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 26, 2017 in Beverly Hills, California.
"I'm trying to get them to call me "lovey" like KrisKardashian", she explained, referencing the nickname Kris's grandchildren use for her.
Speaking to The Kyle and Jackie O Show last month, the notoriously private star said of her adopted kids: 'They had extremely traumatic lives and I had the resources to adopt them.
The podcast was the first time Sia went into detail about her sons, who are both black men she adopted past year as they were ageing out of the foster care system. In May, Sia revealed that she adopted two sons who were "aging out of the foster care system".
"I actually adopted two sons previous year". "It's completely corrupt and it's failing us". It's failing us. Not in my experience, in my sons' experience.
"It means I can make a lot of peoples" dreams come true, which is the best feeling ever, especially now I don't drink or do drugs, so that's the new high, ' she said. Started out as a pretty massive rollercoaster. They told me one thing, I discovered another.
"This year I wrote him a text, and I said, 'Hey, listen, you're like one of five people that I'm sexually attracted to, and now that I've chose to be single for the rest of my life and I just adopted a son, I don't have time for a relationship".
The notoriously private Aussie singer opened up about her personal joy in an interview with Apple Music presenter Zane Lowe on Tuesday.
The "Together" singer continued: "It's not a good life, and I'd say, 'I'm doing this because I'm your mother. I love him so much", gushed the proud mum.
"But I want you to know you will have a home with me". "I don't want to see you as that 5 percent that's in prison with your history and the color of your skin'".
When Zane had asked for Sia's perspective on police brutality and the Black Lives Matter movement in the United States, she teared up as one of her sons fetched her a tissue box.
The Lyrid Meteor Shower returns yet again
IF YOU head outside tomorrow morning and look up from about 2am, chances are you're going to see a few shooting stars. Perhaps, we can imagine the Lyrids as the 'Tears of Orpheus, ' sliding silently through the April sky.