Her new song 'Flashlight' will play a key role in the highly anticipated sequel.
'Fire Meet Gasoline - By Heidi Klum' is half music video, half commercial -- but all sexy.
Sia basically confirms Kanye West has no filter.
Maddie Ziegler didn't need her dancing shoes for her new Sia music video "Big Girls Cry", but she did have her hands full.
The 'Dance Moms' star didn't need her dancing shoes for this video, but she did have her hands full.
Sia is writing a screenplay?
Do we really have to choose favorites?!
Here are the most talked about moments from the 2015 GRAMMY awards.
The 'SNL' alum rocked a platinum blonde wig as a surprise guest during Sia's number at the 2015 GRAMMYs.
Sia brought some much needed energy to the 2015 GRAMMYs, with a very special guest -- Kristen Wiig! In a Wig, no less -- and it. was. amazing!
Sam Smith, Taylor Swift and Sia are set to face off.
'Salted Wound' is the latest single from the Australian singer.
ET was with Maddie Ziegler as she got ready to perform on Saturday Night Live.
Sia covered her face and let her performers steal the show.
