Sia may be a musical genius ... she rocked her blonde and black wig that covered the majority of her face with a whopping white bow perched precariously on top. Though she's been writing songs ...

Sia, who is known for hiding her face behind elaborate wigs, showed it off while wearing a green mask on Tuesday Sia is giving her fans an eyeful. The “Titanium” singer usually hides her face ...

While her biggest hits have all come in the last two years, Sia has been in the music industry ... day after day." Hiding her face in interviews, videos, and performances forces people to judge ...