Sia's estranged husband has been denied sole custody of their son

However, according to court documents obtained by People magazine, the judge ruled there wasn't sufficient evidence for an emergency order.

The filing stated: "The court finds that sufficient exigency for the requested emergency relief has not been shown at this time.

"The parties entered into a stipulated legal custody and interim physical custody arrangement on August 1, 2025. Most of the facts asserted in Respondent's RFO were known at that time."

The previous custody arrangement, with Sia, 49, retaining primary custody and Daniel given limited and monitored visitation, will remain in place.

Daniel had claimed Sia had secretly been hospitalised for two weeks last month and had tested positive for barbiturates and benzodiazepines.

He wrote in his declaration: "Sia's conduct is reckless, dangerous and demonstrates Sia's utter disregard for Summi's safety and well-being."

In her own declaration, filed on the same day, the Cheap Thrills hitmaker asked the court to turn down her estranged husband's request for sole custody and denied his allegations of drug abuse as she insisted Daniel - who she previously alleged was under investigation for child sexual abuse materials - had "zero evidence" their son was in danger with her.

Sia insisted the allegations about her substance abuse were "entirely unfounded and misleading" and that although she had struggled with drug and alcohol issues over 15 years ago, she had been sober for more than six months.

While Daniel's filing requested for Sia to be ordered to submitted to random drug testing three times a month and regular testing once a week, she said she is currently part of a programme that includes weekly testing and a sober companion, and alleged that while she has repeated agreed to the checks, her estranged husband had "refused" to do the same.

She wrote: "My recovery has been a cornerstone of my life and one of the primary reasons I chose to separate from Dan, whose ongoing engagement in a nightlife and recreational drug-use lifestyle is incompatible with a healthy environment for our child.

"Dan's attempt to weaponise my past sobriety journey - an issue long resolved and well-documented - serves no legitimate purpose and is intended only to distort the facts and undermine my credibility before this Court. His willingness to dredge up decades-old history to serve his own financial and strategic interests demonstrates the extent to which he will go, even at the expense of his child and the child's mother."

Sia accused Daniel - who previously requested $250,000 a month in spousal support - of being financially motivated in his request, despite her having already paid him $300,000 since they split in March.

She wrote: "To date, every request by Dan for additional custodial time has been directly tied to financial gain rather than a genuine effort to foster a meaningful parental relationship with Summi."