Skin was one of the most provoking female lead singers in the 90s. She was the lead of one of the most kickass crossover bands: Skunk Anansie! Nowadays Skin has a solo project, but it's much softer than the stuff during her Skunk Anansie period.
Here are two recommendations:
http://www.youtube.com/watch?v=xEp8yJPjedU
http://www.youtube.com/watch?v=pRH807Zg8MQ