X Factor Australia winner Altiya Childs debuted at number eight on the Australian Record Industry Association (ARIA) single chart this week with his single Somewhere In The World.

Pop singer Ke$ha, who will tour Australia on March next year, regained the top spot, with her smash hit We R Who we R. The Black Eyed Peas' The Time was dispalced to second place, while Chris Brown debuted one mark ahead of Altiya Childs, on the seventh with Yeah X3.

Katie Perry's Firework is up one spot, from the fourth spot last week, pushing Like A G6 down. P!nk's Raise Your Glass and Rihanna's Only Girl are umoved at the fifth, and sixth spot respectively.

Australian Single Chart Top Ten:

1. We R Who We R (Ke$ha)

2. The Time (The Black Eyed Peas)

3. Firework (Katy Perry)

4. Like A G6 (Far East Movement Feat. Cataracs & Dev)

5. Raise Your Glass (P!nk)

6. Only Girl (Rihanna)

7. Yeah X3 (Chris Brown)

8. Somewhere In The World (Altiyan Childs)

9. Just A Dream (Nelly)

10. Heartbeat (Enrique Iglesias Feat. Nicole Scherzinger)