Freak Out: The Greatest Hits of Chic and Sister Sledge is a greatest hits album of recordings by American R&B bands Chic and Sister Sledge, released by Atlantic Records in 1988. The compilation was one of the first to be released on Compact Disc, and includes remixes of "We Are Family" and "Lost In Music" (by Bernard Edwards and Nile Rodgers themselves) and "Le Freak" (by Stock Aitken Waterman/PWL's Phil Harding).