At this point, we might as well assume we won’t be seeing Sia‘s face anytime soon. Just because her face is covered, though, Sia has proved that doesn’t keep her from being amazing! The 40-year-old singer kept her wig game strong when she stopped by The Ellen DeGeneres Show on Feb. 2, also giving a roaring rendition of her new song “Bird Set Free”…and we practically forgot that she doesn’t want to show us her face!