Kathy Sledge (born January 6, 1959) is an American singer–songwriter and music producer. She rose to fame in the 1970s as a member of Sister Sledge, one of the highest-selling female groups of the 1970s. Sledge sang lead on their US Top 10 songs "He's the Greatest Dancer" and "We Are Family", the latter of which received a nomination for Best R&B Performance by a Duo or Group with Vocals at the 22nd Annual Grammy Awards in 1980. She also... [more on Wikipedia]