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
Sia notably performed the song to close the 2025 Breakthrough Prize Ceremony [8]. Sia - Unstoppable (With Rihanna)
Originally intended for Katy Perry but ultimately recorded by Beyoncé [13, 21]. Theme and Impact January 2016 as a promotional single for her
Written as a potential hit for Rihanna or Beyoncé before Sia decided to keep it for herself [6]. This Is Acting [11
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.