- Unstoppable is a song by Australian singer-songwriter Sia Furler (often referred to as Sia), from her seventh studio album This Is Acting (2016).
- The song was written by Sia and Christopher Braide, and produced by Jesse Shatkin.
- It premiered as the final promotional single from the album on January 20, 2016.
- In July, a new version of Unstoppable was created for Gillette's 2016 Olympic ad campaign, "Perfect Isn't Pretty," which features a verse from Pusha T.
- Unstoppable is the fifth track on Sia's album This Is Acting.
- It has been called a "jolting, liberating improvisation" and "self-esteem anthem," with lyrics like "I'm unstoppable, I'm a Porsche with no brakes / I'm invincible, I win every game / I'm so powerful, I don't need batteries to play / I'm so confident, yeah, I'm unstoppable today."
- The song was written by Sia, Christopher Braide, and produced by Jesse Shatkin.
- Sia debuted Unstoppable on January 20, 2016, just days before the album's release (January 29). The song was the sixth used to promote the album before its release.
- Unstoppable received mostly positive critical reception, with most commentators commenting on its empowering theme. Billboard described the song as a "driving dance track" and praised Sia for her "powerful, grounded vocal performance."
