Roberston was killed in a crash Monday afternoon in south suburban Orland Hills.
Orland Hills fire officials said a box truck and three other vehicles were involved in the crash. Two adults were injured, but their conditions were never released.
Robertson was known world-wide for her moves, and was considered a legendary member of Chicago's steppin' scene. The unique style of dance is native to Chicago, and is an improvisational form of partner dancing.
Robertson was 55.