Sia Rihanna: Unstoppable

While many songs on this album were intended for others, Sia has not publicly confirmed if "Unstoppable" was specifically written for Rihanna. "Diamonds" by Rihanna

This is likely the song you are thinking of, as it is the most famous collaboration between the two. Sia Rihanna Unstoppable

Rihanna famously mimicked Sia's vocal demo almost exactly, which Sia later said she found incredibly flattering. You can read more about the production on the Diamonds Wikipedia page . While many songs on this album were intended

Rihanna recorded it for her 2012 album Unapologetic . Producers: Benny Blanco and Stargate. You can read more about the production on

There seems to be a bit of a mix-up between these two artists. Sia's hit song was not recorded by Rihanna, nor did Rihanna write it. However, the two have a very famous connection through the song "Diamonds." "Unstoppable" by Sia