sia

The bewigged superstar starts the New Year with a powerful surge of energy in the form of 'This Is Acting' highlight, 'Move Your Body.'

'You can do anything!' Sia cries through an atmosphere-piercing chorus.

'Thank you to all those who have contributed knowingly and unknowingly,' she wrote on Twitter.

Featuring Kristin Wiig, Maddie Ziegler and vocal firepower, the hour-long set has left concert-goers completely baffled.

Sing and swing from the chandelier with Sia's best live moments.

The PopCrush editors selected their most anticipated albums of the year, from Sia to Zayn Malik to Britney Spears.

Rihanna's recent trip to Sia's house involved listening to 25 new tracks.

Listen to all the hottest pop bops of October.

Sia's rousing new 'This Is Acting' track was originally written for Adele, but her own powerhouse voice does it plenty of justice.

Sia's shared a snippet of "Alive" and we'll get to hear the whole thing even sooner than we thought.

Sia reveals that the first single off her new album, titled "Alive," was co-written with Adele.

The new rendition is one of four tracks on Bleachers' new EP.