2 0 1 1 ▁List ▁of ▁Main stream ▁Top ▁ 4 0 ▁number - one ▁hits ▁of ▁ 2 0 1 1 ▁( U . S .) ▁List ▁of ▁number - one ▁dance ▁singles ▁of ▁ 2 0 1 1 ▁( U . S .) ▁List ▁of ▁number - one ▁dance ▁air play ▁hits ▁of ▁ 2 0 1 1 ▁( U . S .) ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Category : 2 0 1 1 ▁singles ▁Category : 2 0 1 1 ▁songs ▁Category : B ill board ▁Dance ▁Club ▁Songs ▁number - one ▁singles ▁Category : B ill board ▁Dance / M ix ▁Show ▁Air play ▁number - one ▁singles ▁Category : B ill board ▁Hot ▁ 1 0 0 ▁number - one ▁singles ▁Category : B ill board ▁Japan ▁Hot ▁ 1 0 0 ▁number - one ▁singles ▁Category : B ill board ▁Main stream ▁Top ▁ 4 0 ▁( Pop ▁Songs ) ▁number - one ▁singles ▁Category : Can ad ian ▁Hot ▁ 1 0 0 ▁number - one ▁singles ▁Category : D utch ▁Top ▁ 4 0 ▁number - one ▁singles ▁Category : In ters cope ▁Records ▁singles ▁Category : I r ish ▁Singles ▁Chart ▁number - one ▁singles ▁Category : L ady ▁G aga ▁songs ▁Category : L GB T - related ▁songs ▁Category : Mon itor ▁Lat ino ▁Top ▁Ingl és ▁number - one ▁singles ▁Category : M TV ▁Video ▁Music ▁Award ▁for ▁Best ▁Fem ale ▁Video ▁Category : M TV ▁Video ▁Music ▁Award ▁for