January 2016 as a promotional single for her seventh studio album, This Is Acting [11, 17]. Writers: Sia Furler and Christopher Braide [11]. Producer: Jesse Shatkin [9, 17]. The "This Is Acting" Concept
The album This Is Acting is composed primarily of songs Sia wrote for other major artists that were ultimately rejected. Originally written for Adele [14]. Sia - Unstoppable (With Rihanna)
Written as a potential hit for Rihanna or Beyoncé before Sia decided to keep it for herself [6]. January 2016 as a promotional single for her
The song uses metaphors like a "Porsche with no brakes" and "putting my armor on" to describe building confidence and emotional resilience [3, 5]. The "This Is Acting" Concept The album This
The track saw a massive resurgence years after its release, becoming a global hit and a staple in advertising and motivational content [22].
"Unstoppable" is widely regarded as a self-empowerment anthem.
Originally intended for Katy Perry but ultimately recorded by Beyoncé [13, 21]. Theme and Impact