Watch Kristen Wiig Dance During Sias Grammy Performance
At this point, Sia's attempts to avoid the spotlight have probably drawn more attention to her than if she just embraced the camera. The latest evidence? The singer recruited Saturday Night Live alumna Kristen Wiig to dance during "Chandelier"  a role once filled by Lena Dunham  in one of the 2015 Grammy Awards' most memorable sets of the night.