With “Diamonds” still perched at number one on the Billboard Hot 100, one of the song’s authors, Sia, has given her own take on the Rihanna song. The Australian singer/songwriter performed “Diamonds” with help from the song’s producers Stargate at last night’s Norwegian-American Achievement Award ceremony.

See what the folks behind the scenes do with the hit single up above and grab the single and album, Unapologetic, on Def Jam now.

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