HOT TOPICS/

 Sia

Kate Hudson Shaves Her Head
Sia Is Spotted in Public Without Her Wig
Maddie Ziegler Gushes Over Working With Sia
James Corden Plays "Finish That Lyric!"
Reese Witherspoon Sings "JuJu On That Beat"
Kate Hudson
Zoe Saldana, Sia, Julianne Moore
Sia Furler
Maddie Ziegler, Sia, Grammy Awards
Maddie Ziegler
Sia, Erik Anders Lang
ESC: Lady Gaga
Sia, Erik Anders Lang
Adele, James Corden, Carpool Karaoke
Drake, Justin Bieber, Sia, Alessia Cara
Ellen DeGeneres, Heidi Klum
Michelle Obama, James Corden, Carpool Karaoke
Sia