. ▁ ▁According ▁to ▁Bell , ▁the ▁anim ators ▁played ▁pr anks ▁on ▁the ▁cast . ▁When ▁she ▁visited ▁Disney ▁An imation ▁to ▁view ▁early ▁versions ▁of ▁her ▁scenes , ▁the ▁anim ators ▁added ▁aud ible ▁flat ul ence ▁to ▁a ▁scene ▁where ▁Anna ▁and ▁El sa ▁were ▁together ▁in ▁bed , ▁and ▁in ▁another ▁scene ▁where ▁Anna ▁was ▁supposed ▁to ▁jump ▁between ▁cl iffs , ▁she ▁did ▁not ▁quite ▁make ▁it . ▁ ▁The ▁last ▁major ▁animation ▁sequence ▁completed ▁before ▁the ▁production ▁team ▁locked ▁picture ▁was ▁" Show ▁Your self ," ▁the ▁show sto pping ▁musical ▁number ▁in ▁which ▁El sa ▁enters ▁A ht oh all an ▁and ▁finally ▁lear ns ▁all ▁the ▁secre ts ▁she ▁has ▁been ▁seeking . ▁Del ▁V echo ▁said ▁that ▁sequence ▁" required ▁all ▁of ▁the ▁resources ▁at ▁the ▁studio " ▁to ▁get ▁the ▁film ▁done ▁on ▁time . ▁L ope z ▁revealed ▁that ▁the ▁first ▁draft ▁of ▁" Show ▁Your self " ▁was ▁very ▁different ▁from ▁the ▁final ▁version : ▁"[ E ] very one ▁loved ▁it , ▁but ▁we ▁had ▁to ▁shape ▁it . ▁When ▁we ▁saw ▁the ▁first ▁round ▁of ▁visual s ▁and ▁then ▁we ▁saw ▁it ▁in ▁the ▁film , ▁everyone ▁agreed ▁changes ▁needed ▁to ▁happen . ▁And ▁it ▁went ▁back ▁and ▁forth ▁for ▁months — it ’ s ▁now ▁four ▁minutes ▁and ▁ 2 0 ▁seconds ▁and ▁it ▁has ▁a ▁big ▁ending . ▁It ▁transformed ▁a ▁lot , ▁and ▁it ▁was ▁hard ." ▁ ▁Music ▁ ▁Krist en ▁Anderson - L ope