▁while ▁Patrick ▁Mul kern , ▁writing ▁for ▁Radio ▁Times , ▁said ▁that ▁Smith ▁offered ▁" another ▁multi - fac et ed , ▁st unning ▁performance ▁as ▁the ▁trouble d ▁Christ ine ". ▁Ch ater ▁said ▁that ▁Smith ' s ▁role ▁was ▁" super b ly ▁performed , ▁as ▁always ", ▁and ▁Bill en ▁said ▁that ▁Smith ▁offered ▁" t rag ic ▁depth " ▁to ▁her ▁character . ▁Wilson ▁comm ended ▁Smith ' s ▁" arr est ing ▁performance ", ▁saying ▁that ▁" No ▁one ▁does ▁girl - next - door ▁natural ism ▁better ▁– ▁she ▁has ▁the ▁actor ' s ▁el ix ir ▁of ▁making ▁you ▁think ▁you ▁know ▁her , ▁just ▁by ▁a ▁smile ▁or ▁an ▁inf lection ." ▁D ess au ▁comm ended ▁the ▁writers ▁for ▁allowing ▁other ▁actors ▁to ▁play ▁the ▁lead ▁roles , ▁pra ising ▁the ▁performances ▁of ▁R iley ▁and , ▁especially , ▁Smith . ▁ ▁Crit ics ▁comm ended ▁the ▁episode ' s ▁music , ▁with ▁Mul kern ▁comparing ▁the ▁use ▁of ▁" Con ▁te ▁partir ò " ▁in ▁" The ▁ 1 2 ▁Days ▁of ▁Christ ine " ▁to ▁its ▁use ▁in ▁Ben id orm , ▁in ▁which ▁P ember ton ▁star red , ▁but ▁noted ▁that ▁in ▁" The ▁ 1 2 ▁Days ▁of ▁Christ ine " ▁it ▁was ▁used ▁" with ▁dev ast ating ▁effect ". ▁Ellen ▁E ▁Jones , ▁writing ▁in ▁The ▁Independent , ▁said ▁that ▁the ▁song ▁" was ▁deployed ▁on ▁the ▁sound track ▁to ▁dev ast ating ▁effect ▁– ▁we '