▁message , ▁the ▁group ▁said ▁that ▁it ▁is ▁" bas ically ▁that ▁we ▁are ▁the ▁girls ▁with ▁the ▁secret ▁pot ion ▁and ▁we ' re ▁going ▁to ▁give ▁it ▁to ▁all ▁the ▁other ▁girls ▁that ▁want ▁to ▁get ▁the ▁man ▁they ▁want ▁to ▁get " ▁with ▁Pin no ck ▁adding ▁that ▁" it ▁[ the ▁pot ion ] ▁is ▁a ▁met ap hor ▁for ▁having ▁confidence ▁to ▁get ▁your ▁man ". ▁ ▁Crit ical ▁reception ▁Upon ▁release , ▁" Black ▁Magic " ▁was ▁acc laimed ▁by ▁music ▁critics , ▁who ▁wel com ed ▁Little ▁Mix ' s ▁new ▁' 8 0 s ▁influenced ▁sound . ▁Matt ▁Bag well ▁of ▁The ▁H uff ington ▁Post ▁called ▁the ▁single ▁" one ▁of ▁the ▁best ▁pop ▁releases ▁of ▁the ▁year ", ▁compl iment ing ▁its ▁" k iller ▁ch orus " ▁and ▁" tra dem ark ▁call ▁to ▁arms ▁chant ", ▁while ▁writing ▁that ▁" Black ▁Magic " ▁is ▁" sign ific antly ▁better " ▁than ▁Brit ney ▁Spe ars ▁and ▁I gg y ▁Az ale a ' s ▁single ▁" Pre tty ▁Girls ", ▁which ▁Little ▁Mix ▁co - w rote . ▁Lewis ▁Cor ner ▁of ▁Digital ▁Sp y ▁gave ▁the ▁song ▁ 5 ▁out ▁of ▁ 5 ▁stars ▁saying ▁" not ▁only ▁was ▁it ▁the ▁perfect ▁song ▁for ▁this ▁point ▁in ▁their ▁career , ▁but ▁one ▁powerful ▁enough ▁to ▁bew itch ▁those ▁beyond ▁their ▁expected ▁dem ographic ." ▁ ▁Ari ana ▁B acle ▁of ▁Entertainment ▁Week ly ▁described ▁the ▁song ▁as ▁" b oun