Sia Does Amazing Performace of ‘Diamonds’ [VIDEO]

Sia Furler can be heard on quite a few songs "Titanium" by David Guetta, "Wild Ones" by Flo Rida, just to name a few.

She is the one who wrote "Diamonds" and then Rihanna turned it into a big hit. Even though the audio quality isn't great you can still hear how great she belts out this tune.

Rihanna version