Is Chaka Khan a mezzo soprano?

Chaka Khan is widely recognized as a contralto, though her vocal range and versatility allow her to sing across multiple registers, including mezzo-soprano. Her powerful voice is characterized by its rich timbre and wide range, enabling her to perform various genres, from R&B to jazz. While she may not fit neatly into the mezzo-soprano category, her vocal abilities certainly showcase elements of that range.