▁second ▁single ▁in ▁various ▁European ▁countries ▁and ▁in ▁the ▁UK ▁as ▁the ▁third ▁single ▁on ▁ 1 3 ▁February ▁ 2 0 1 2 . ▁The ▁song ▁also ▁served ▁as ▁the ▁album ' s ▁second ▁single ▁in ▁the ▁United ▁States ▁being ▁sent ▁to ▁US ▁contemporary ▁hit ▁radio ▁( CH R ) ▁play lists ▁on ▁ 2 2 ▁May ▁ 2 0 1 2 . ▁The ▁single ▁pe aked ▁at ▁number ▁six ▁and ▁nine ▁on ▁the ▁Irish ▁and ▁UK ▁Singles ▁Ch arts ▁respectively , ▁becoming ▁the ▁third ▁consecutive ▁top ▁ten ▁single ▁for ▁One ▁D irection ▁in ▁Ireland ▁and ▁the ▁UK . ▁" One ▁Th ing " ▁was ▁One ▁D irection ' s ▁second ▁best - s elling ▁song ▁in ▁the ▁UK ▁by ▁August ▁ 2 0 1 2 , ▁den oting ▁sales ▁of ▁ 1 5 4 , 0 0 0 ▁copies . ▁In ▁Australia , ▁One ▁D irection ▁became ▁the ▁second ▁act ▁of ▁ 2 0 1 2 ▁to ▁have ▁two ▁singles ▁in ▁the ▁top ▁ten ▁simultaneously ▁with ▁" One ▁Th ing " ▁at ▁number ▁ 3 ▁and ▁" What ▁M akes ▁You ▁Beautiful " ▁at ▁number ▁ 1 0 . ▁" One ▁Th ing " ▁pe aked ▁at ▁number ▁ 3 9 ▁on ▁the ▁Billboard ▁Hot ▁ 1 0 0 . ▁The ▁track ▁was ▁cert ified ▁plat in um ▁by ▁the ▁Rec ording ▁Indust ry ▁Association ▁of ▁America ▁( RI AA ) ▁on ▁ 2 1 ▁September ▁ 2 0 1 2 , ▁den oting ▁sales ▁of ▁ 1 , 0 0