From Wikipedia, the free encyclopedia Bianca Halstead or Bianca Butthole (May 5, 1965 – December 15, 2001) was an American rock musician; she was the bassist and lead singer of Betty Blowtorch. She was killed by a drunk driver on December 15, 2001 in New Orleans. A substance abuse center called The Bianca Center for Substance Abuse, which opened in November of 2008, is named in her honor. Halstead was... see more