▁the ▁audience . ▁The ▁encore ▁starts ▁with ▁a ▁video ▁inter l ude ▁of ▁" Sc ary ". ▁The ▁video ▁ends ▁with ▁Spe ars ▁finally ▁capt uring ▁the ▁st alk er ▁while ▁we aring ▁a ▁k im ono . ▁She ▁re app ears ▁to ▁perform ▁a ▁mart ial ▁arts - in sp ired ▁version ▁of ▁" To xic ", ▁in ▁which ▁she ▁defe ats ▁a ▁group ▁of ▁nin jas . ▁At ▁the ▁end ▁of ▁the ▁song , ▁she ▁goes ▁below ▁the ▁stage ▁and ▁returns ▁we aring ▁a ▁black ▁spark ly ▁bod ys uit ▁for ▁" T ill ▁the ▁World ▁End s ". ▁Half way ▁through ▁the ▁performance , ▁Nick i ▁M ina j ▁appears ▁on ▁the ▁back dro ps ▁ra pping ▁her ▁verse ▁of ▁The ▁Fem me ▁F ata le ▁Rem ix ▁of ▁the ▁song . ▁She ▁also ▁joined ▁Spe ars ▁to ▁perform ▁the ▁verse ▁in ▁select ▁cities . ▁After ▁the ▁song ▁changes ▁back ▁to ▁the ▁original ▁version , ▁Spe ars ▁starts ▁flying ▁in ▁a ▁platform ▁with ▁giant ▁ang el ▁wings . ▁The ▁show ▁ends ▁with ▁Spe ars ▁and ▁her ▁d anc ers ▁thank ing ▁the ▁audience , ▁as ▁conf etti ▁falls ▁and ▁the ▁" F em me ▁F ata le " ▁sign ▁is ▁lower ed ▁on stage . ▁ ▁Crit ical ▁response ▁ ▁Barry ▁Wal ters ▁from ▁Rol ling ▁Stone ▁called ▁the ▁show ▁" poss ibly ▁her ▁flash iest , ▁fast est ▁moving , ▁and ▁most ▁entertain ing ▁production ▁yet ", ▁and ▁added ▁that ▁the ▁night ▁belonged ▁to ▁Spe ars , ▁as ▁"