Ellen goes all out this year as she channels Sia for her performance of "Chandelier."
Sia endorses Hillary Clinton using lines from her recent single "The Greatest."
Sing it, Sia!
They're swinging from the chandala-heeeeeer
Making the best of things, Sia releases an album full of rejects she wrote for other artists.
The singer-songwriter is just one of the many cameos in the new season of Amazon's hit comedy.