Sister Sledge
Sister Sledge Sister Sledge (Kim, Debbie and Joni) in New York City, New York, September 2015. Background information Also known as The Sledge Sisters Origin Philadelphia, Pennsylvania, United States Genres R&B disco funk pop soul Years active 1971–present Labels Atco Cotillion Atlantic Website sistersledge.com Members Debbie Sledge Kim Sledge Past members Kathy Sledge (1971–89; 1993; 2011) Joni Sledge (1971–2017; deceased) Sister Sledge is an American musical vocal group from Philadelphia, Pennsylvania. Formed in 1971, the group consisted of sisters Debbie, Joni, Kim and Kathy Sledge. They siblings achieved international success at the height of the disco era. The year 1979 saw the release of their breakthrough album We Are Family , which peaked at number three on the US Album Chart , and included the 1979 single "We Are Family" which reached number two on the US Billboard Hot 100 and earned a Grammy Award nomination, together with two other 1979 top 20 hits "He...