The popular sisters are well-known for their hit “We Are Family,” but their own family dynamics tore them apart.

Sister Sledge is an American musical vocal group from Philadelphia ... The year 1979 saw the release of their breakthrough album We Are Family, which peaked at number three on the US Album Chart , and ...

and "We Are Family" (#2 US, #1 R&B), the latter song becoming their biggest hit. The album was written and produced by Nile Rodgers and Bernard Edwards of the group Chic. Sister Sledge's next ...