Sia debuted a bold new look amid her ongoing custody battle with estranged husband Daniel Bernad.
Looking almost unrecognizable, the star's woes are over their toddler son, Somersault Wonder, nicknamed Summi.
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The 49-year-old singer shared a snap showing freshly bleached blonde hair and a dramatic fringe.
Her team added a playful caption to the post: "Divorce looks good on her @magnoliapearlclothing @farmrio ethical fashion for an ethical beyotch – Team Sia."
In the photo, Sia posed beside a lavish pool in the back garden of her mansion, wearing a colourful outfit/
The ensemble included a floral lace skirt layered over striped trousers, paired with a banana print kimono.
Sia was all smiles as she showcased her quirky, standout style.
The custody drama has been ongoing, with Bernad filing an emergency request in October for full custody of the one-year-old.
He alleged drug abuse on Sia's part, but a Los Angeles judge denied the request.
Sia's attorney, Laura Wasser, successfully argued that Bernad had not provided any new or compelling evidence to justify sole custody.
The judge noted that the details in Bernad's filing had already been presented two months earlier, when temporary custody arrangements were set.
Under that arrangement, Sia, whose full name is Sia Kate Isobelle Furler, was awarded primary custody of Summi.
Bernad was granted visits, but only under supervision.
Sia filed for divorce in Los Angeles this past March, ending a two-year marriage.
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