▁on ▁the ▁original ▁UK ▁series , ▁to ▁find ▁new ▁singing ▁talent ; ▁the ▁winner ▁of ▁which ▁received ▁a ▁recording ▁contract ▁with ▁record ▁label ▁Sony ▁Music ▁Australia . ▁The ▁second ▁season ▁premier ed ▁on ▁the ▁Seven ▁Network ▁on ▁ 3 0 ▁August ▁ 2 0 1 0 ▁and ▁ended ▁on ▁ 2 2 ▁November ▁ 2 0 1 0 . ▁The ▁winner ▁was ▁Al ti yan ▁Child s ▁and ▁his ▁debut ▁single ▁" Some where ▁in ▁the ▁World " ▁was ▁released ▁after ▁the ▁final . ▁Child s ▁was ▁ment ored ▁throughout ▁by ▁Ron an ▁Ke ating , ▁who ▁won ▁as ▁ment or ▁for ▁the ▁first ▁time . ▁The ▁season ▁was ▁presented ▁by ▁Luke ▁Jacob z , ▁while ▁spin - off ▁show ▁The ▁X tra ▁F actor ▁was ▁hosted ▁by ▁Natal ie ▁G aron zi ▁on ▁ 7 Two . ▁The ▁show ▁was ▁originally ▁to ▁be ▁hosted ▁by ▁actor ▁Matthew ▁Newton , ▁however , ▁he ▁was ▁forced ▁to ▁withdraw ▁as ▁host ▁during ▁production ▁after ▁an ▁alter cation ▁with ▁his ▁former ▁girl friend ▁Rach ael ▁Taylor ▁and ▁re - ad m itting ▁himself ▁to ▁re hab . ▁Ke ating , ▁Natal ie ▁Im bru gl ia , ▁K yle ▁Sand il ands ▁and ▁Guy ▁Sebastian ▁joined ▁the ▁jud ging ▁panel ▁as ▁rep lac ements ▁for ▁former ▁jud ges , ▁Mark ▁Hold en , ▁Kate ▁Ce ber ano ▁and ▁John ▁Re id . ▁ ▁The ▁competition ▁was ▁split ▁into ▁several ▁stages : ▁aud itions , ▁boot camp , ▁jud ges ' ▁houses ▁and ▁live ▁shows . ▁Aud