▁and ▁" On ▁Your ▁O wn " ▁during ▁her ▁set ▁at ▁the ▁ 2 0 1 8 ▁Co ach ella ▁Valley ▁Music ▁and ▁Arts ▁Festival ▁on ▁ 1 5 ▁April ▁ 2 0 1 8 ▁and ▁announced ▁the ▁title ▁Lost ▁& ▁Found ▁through ▁her ▁social ▁media ▁accounts ▁on ▁ 2 0 ▁April ▁ 2 0 1 8 . ▁That ▁same ▁month , ▁she ▁made ▁her ▁American ▁late - night ▁television ▁debut ▁on ▁Jimmy ▁K imm el ▁Live ! ▁with ▁a ▁performance ▁of ▁" Blue ▁L ights ". ▁ ▁Singles ▁In ▁January ▁ 2 0 1 6 , ▁Smith ▁released ▁her ▁debut ▁single ▁" Blue ▁L ights ", ▁which ▁samples ▁D iz ze e ▁Ras cal ' s ▁song ▁" S ir ens ", ▁on ▁Sound Cloud ; ▁the ▁song ▁gar ner ed ▁ 4 0 0 , 0 0 0 ▁plays ▁on ▁the ▁website ▁within ▁a ▁month . ▁ ▁On ▁ 5 ▁June ▁ 2 0 1 7 , ▁Smith ▁released ▁" Te en age ▁Fant asy ". ▁ ▁Crit ical ▁reception ▁ ▁Lost ▁& ▁Found ▁received ▁w ides p read ▁acc laim ▁from ▁music ▁critics . ▁On ▁Met ac rit ic , ▁the ▁album ▁received ▁a ▁weight ed ▁average ▁score ▁of ▁ 8 1 , ▁based ▁on ▁ 1 6 ▁reviews , ▁indicating ▁" univers al ▁acc laim ". ▁Ryan ▁Patrick ▁of ▁Ex c laim ! ▁pra ised ▁the ▁album , ▁writing ▁that ▁it ▁is ▁" safe ▁yet ▁ed gy , ▁simple ▁yet ▁complex , ▁am bit ious ▁yet ▁relax ed "