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