Well, the 19-year-old was looking far from a kid when she appeared on the Oct. 13 elimination show of Australian Idol, performing 'Running Back', (which impressively features US rapper Flo Rida).

The Young Diva graduate and looked like she could slide right into a P.Diddy posse, sizzling in a sexy black dress and heels, prompting judge Kyle Sandilands, who once criticised Jess for having a "Jelly Belly" to eat his words. 'Running Back' is the first single from her solo album which will be out, she promises, before Christmas.

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