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 is known for keeping her private life under wraps. Now, a nearly year-old secret has been unearthed. The “Unstoppable” ...

Wearing a giant monochrome wig that covers her entire face apart from her mouth, and an enormous black bow, Sia joins Corden in his car to belt out some of her classics, teach him some singing ...

The Aussie star is most commonly known by her real first name at birth, Sia, as well as her habit of obscuring her face under a giant blonde wig, often decorated with an oversized bow. She was ...