Sia unmasked! The “Chandelier” singer and songwriter, 40, surprised the final four contestants on American Idol when she revealed her face during rehearsals on Thursday, March 24 — but she still hid from viewers behind her trademark wig during the show.As Sia mentored the finalists (La’Porsha Renae, MacKenzie Bourg, Trent Harmon<…This article originally appeared on www.usmagazine.com: Sia Shocks ‘American Idol’ Finalists as She Reveals Her Face: Watch
Source: usmagazine