Chaka Khan still has the looks and voice that powered her to fame decades ago. In many fans’ minds, though, that’s not what makes her a true diva. What sets her apart from wanna-be stars is her passion for certain causes. The soul legend has used her fame and music to rally for what she believes is right, most recently in the case of Trayvon Martin.

“What I did, this is not anything to make money,” Khan told Piers Morgan on CNN recently about the song she and other performers recorded, “Super Life: Fear Kills, Love Heals,” as a result of the killing. “It is simply to [highlight] the cause and to bring about awareness.”