Aussie Sweep: February 19, 2015...

It's time to head Down Under to check out the songs making their debut on the official singles chart in Australia this week, as Rihanna lands her ninth #1 hit with "FourFiveSeconds" with Kanye West and Paul McCartney...

After pop-dance duo LMFAO split, Redfoo has carved a nice career in this country, no doubt helped by his appearance as a judge on X Factor Australia. He enters at #48 with his new single "Juicy Wiggle"...

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The other newbie at #49 is former American teen idol  Nick Jonas with "Jealous"....