Gerald Gardner founded Wicca in the 1960s, though many claim the idea was originally thought up with assistance by Aleister Crowley. Regardless, the faith has become one of the most prominent neopagan belief systems in the world, and the pentacle symbol used by adherents is even approved for use in military cemeteries after lawsuits were filed on behalf of Patrick Stewart, a Wiccan soldier killed in Afghanistan in 2005.

Several pop and rock stars have "come out of the broom closet" as it were, and are open, practicing witches. They include...