From Wilco and Beyonce to Jagger and Bowie.
Ziegler, now 15, was 11 when she and Sia started collaborating.
"Someone is apparently trying to sell naked photos of me to my fans. Save your money, here it is for free."
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The artists speak out against Trump's trans military ban.
Hair today, gone tomorrow.
"Sia’s the funniest and goofiest person I’ve met in my entire life."
Only listen if you're a "scientifically advanced hot mama."
Featuring Queen Latifah and Miguel.