Happy birthday! Sia turns 50 today

The iconic and legendary singer turns 50 on Thursday, Dec. 18, 2025.

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Sia is celebrating her 50th birthday today. As a number of online tributes attest, she is one of the most acclaimed singers of her generation.

Popular singer-songwriter Sia (Chandelier, ...) has always liked to keep a bit of herself hidden from view. At 50th birthday, she remains a woman of many facets.

Furler, a cultural icon

Born Sia Kate Isobelle Furler in Adelaide on December 18, 1975, her career spans an arc over many different eras and tastes in Australian history. Furler's not just a great singer, she's an inspiration, an icon and a successful business woman. At this point in her career, there seems to be little Sia hasn't done.

And we've got a feeling the next 12 months are going to be even bigger and better for Sia as she promises more to come. After all, she's only 50.

Happy Birthday, Sia, you're the best!

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