Chaka Khan revealed that she's making music with Sia — but they can't seem to "finish" the project. The musicians previously ...

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To get to sing it for the cause is a dream come true," Sia tells PEOPLE exclusively of her cover for the PSA. "Lyrically, it's so, so beautiful. This is a legend." Related: Benny Blanco Reveals ...

Miami’s Ultra Music Festival witnessed pop music history Friday night as David Guetta, Afrojack, and Sia appeared onstage to perform their 2011 hit “Titanium” live together for the first time.

Sia and David Guetta have plenty of collaborations ... On Friday (Mar. 28), the pair performed the hit for the first time at the Ultra Music Festival in Miami during Afrojack’s set, as the ...