LOS ANGELES, CA - FEBRUARY 08: Sia arrives at the The 57th Annual GRAMMY Awards on February 8, 2015 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
LOS ANGELES, CA - FEBRUARY 08: Sia arrives at the The 57th Annual GRAMMY Awards on February 8, 2015 in Los Angeles, California. (Photo by Steve Granitz/WireImage)