Sia’s estranged husband is seeking over $US250,000 ($A385,591) per month in spousal support, according to US court documents.

The Australian pop singer split from Daniel Bernad - the father of her 18-month-old son Somersault - in May after three years of marriage and now the former radiation oncologist has requested the staggering sum, as well as $US300,000 for legal fees and another $US200,000 to cover the cost of forensic accounting.

According to court documents filed in Los Angeles, Bernad claimed he has been left with no income after he stopped working in his regular job in 2021 to open a ketamine treatment clinic with Sia.

The former couple formed a company, Modern Medicine, in 2022 but the documents alleged Sia stopped funding the venture in March. Her estranged husband hasn’t rec

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