▁acts ▁after ▁day ▁two . ▁Sand il ands ▁was ▁given ▁the ▁Boys , ▁Im bru gl ia ▁was ▁given ▁the ▁Girls , ▁Ke ating ▁had ▁the ▁Over ▁ 2 5 s ▁and ▁Sebastian ▁was ▁given ▁the ▁Gr oups ▁category . ▁ ▁During ▁boot camp , ▁the ▁jud ges ▁were ▁assist ed ▁by ▁musical ▁artists ▁who ▁helped ▁them ▁choose ▁their ▁twelve ▁acts . ▁Hav ana ▁Brown ▁assist ed ▁with ▁the ▁Boys , ▁MTV ▁Australia ▁CE O ▁Reb e cca ▁Batt ies ▁assist ed ▁with ▁the ▁Girls , ▁Ke ating ' s ▁manager ▁Mark ▁Pl unk ett ▁with ▁the ▁Over ▁ 2 5 s ▁and ▁R ai ▁Th ist le th way te ▁for ▁the ▁Gr oups ▁category . ▁ ▁The ▁ 2 4 ▁successful ▁acts ▁were : ▁Boys : ▁Thomas ▁T J ▁Al can iz , ▁Dar cy ▁Call us , ▁Chris ▁Do e , ▁Andrew ▁Law son , ▁Mitchell ▁Smith , ▁George ▁Walter ▁ ▁Girls : ▁Ash lee ▁Bell ch amb ers , ▁S ally ▁Ch at field , ▁Sam anth a ▁Clar ke , ▁India - R ose ▁Mad der om , ▁Alice ▁Mc D erm ott , ▁Hay ley ▁Te al ▁Over ▁ 2 5 s : ▁Al ti yan ▁Child s , ▁Am anda ▁Graf an ak is , ▁Max ▁Jah u fer , ▁James ▁Mc N ally , ▁Tony ▁M unn ings , ▁Oliv ia ▁Rob ins ▁Gr oups : ▁Jah m ak n ▁It ▁F unk y , ▁K har iz ma , ▁Laz y ▁J ▁& ▁Big