
She tweeted the pic with the caption: "#nyc #siaselfie love her favorite song on the radio chandelier."
Hey, we're fans too, but we haven't splurged on a Sia wig yet. Is Hilary starting a trend?
Sia just stopped by Late Night With Seth Meyers last night to perform "Chandelier" with her face buried in a bunk bed mattress while Lena Dunham did an interpretive dance. Yes, it's every bit as funky as it sounds.
