itions ▁took ▁place ▁throughout ▁May ▁and ▁June ▁ 2 0 1 0 . ▁After ▁the ▁aud itions ▁was ▁boot camp , ▁where ▁successful ▁acts ▁were ▁split ▁into ▁four ▁categories : ▁Boys ▁( male ▁solo ists ▁aged ▁ 1 6 ▁to ▁ 2 4 ), ▁Girls ▁( f em ale ▁solo ists ▁aged ▁ 1 6 ▁to ▁ 2 4 ), ▁Over ▁ 2 5 s ▁( sol o ists ▁aged ▁ 2 5 ▁and ▁over ) ▁and ▁Gr oups . ▁Each ▁judge ▁was ▁given ▁a ▁category ▁to ▁ment or ▁and ▁had ▁to ▁decide ▁on ▁their ▁twelve ▁acts ▁after ▁day ▁two , ▁and ▁their ▁six ▁acts ▁after ▁day ▁two . ▁Special ▁guest ▁jud ges , ▁including ▁Hav ana ▁Brown , ▁Reb e cca ▁Batt ies , ▁Mark ▁Pl unk ett ▁and ▁R ai ▁Th ist le th way te ▁were ▁brought ▁in ▁to ▁help ▁the ▁jud ges ▁decide ▁their ▁acts . ▁Following ▁boot camp , ▁was ▁the ▁jud ges ' ▁houses ▁stage , ▁where ▁each ▁of ▁the ▁jud ges ▁reduced ▁their ▁six ▁acts ▁to ▁three , ▁with ▁help ▁from ▁more ▁guest ▁jud ges , ▁including ▁Kelly ▁Row land , ▁Sir ▁Richard ▁Br anson , ▁Boy zone , ▁S no op ▁Dog g ▁and ▁U sh er . ▁The ▁live ▁shows ▁began ▁on ▁ 1 9 ▁September ▁ 2 0 1 0 . ▁ ▁The ▁second ▁season ▁had ▁spark ed ▁controvers y , ▁including ▁Child s ' ▁disapp earance ▁from ▁the ▁show ▁and ▁claims ▁of ▁a ▁cl ash ▁between ▁the ▁Girls . ▁The ▁grand ▁final