9 , ▁performing ▁it ▁live ▁on ▁the ▁Late ▁Show ▁with ▁David ▁Let ter man ▁and ▁other ▁talk ▁shows . ▁In ▁the ▁fall , ▁she ▁performed ▁the ▁song ▁on ▁V H 1 ▁Div as ▁and ▁at ▁the ▁American ▁Music ▁Awards . ▁She ▁included ▁" Al ready ▁G one " ▁in ▁the ▁encore ▁set ▁of ▁her ▁ 2 0 0 9 ▁All ▁I ▁Ever ▁W anted ▁Tour . ▁Clark son ▁has ▁also ▁performed ▁the ▁song ▁in ▁t ours ▁after . ▁The ▁song ▁has ▁received ▁much ▁pra ise ▁from ▁music ▁critics , ▁and ▁is ▁regarded ▁as ▁one ▁of ▁the ▁highlight s ▁of ▁All ▁I ▁Ever ▁W anted . ▁Crit ics ▁have ▁pra ised ▁the ▁song ▁for ▁its ▁expressions ▁of ▁vulner ability , ▁its ▁emot ional ▁impact , ▁and ▁its ▁successful ▁use ▁of ▁the ▁ball ad ▁form . ▁It ▁pe aked ▁at ▁number   1 3 ▁on ▁the ▁Billboard ▁Hot ▁ 1 0 0 , ▁and ▁was ▁cert ified ▁Pl atin um ▁in ▁Canada ▁and ▁Gold ▁in ▁Australia . ▁ ▁Writing ▁and ▁composition ▁ ▁" Al ready ▁G one " ▁was ▁co - written ▁by ▁Clark son ▁and ▁One Rep ublic ▁lead ▁singer ▁Ryan ▁Ted der . ▁Ted der ▁describes ▁it ▁as ▁" an ▁emot ional , ▁heart bre aking ▁break up ▁song ." ▁ ▁Ted der ▁and ▁Clark son ▁wrote ▁six ▁songs ▁together ▁for ▁inclusion ▁on ▁Clark son ' s ▁fourth ▁studio ▁album ▁All ▁I ▁Ever ▁W anted , ▁and ▁" Al ready ▁G one " ▁is ▁one ▁of ▁three ▁of ▁those ▁that ▁appear ▁on ▁the