Web Reference: Sia Kate Isobelle Furler (/ ˈsiːə / ⓘ SEE-ə; born 18 December 1975) is an Australian singer and songwriter. Born and raised in Adelaide, she started her career as a singer in the acid jazz band Crisp in the mid-1990s. When Crisp disbanded in 1997, she released her debut studio album, OnlySee, in Australia. Sia is an Australian pop singer born on December 18, 1975. She is 49 years old as of 2023 and has two adopted sons and a husband. Sia was born on 18-12-1975 in Adelaide, South Australia, and is now 48 years old. She is a vegan, a bisexual, and has a net worth of 25 million dollars.
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Details: $58M - $70M
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Last Updated: April 2, 2026
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