2009年敬请关注！
简介：ThefourthseasonofAmerica'sBestDanceCrewpremieredonAugust9,2009.[1]Allthreeregularjudges,hostMarioLopez,andbackstagecorrespondentLaylaKayleighreturned.ThiswasthelastseasontofeatureShaneSparksasajudge.Inthelivefinale,whichairedonSeptember27,2009,WeAreHeroeswasdeclaredthewinner.…