Denise Katrina Matthews, also known as Vanity (January 4, 1959 – February 15, 2016), was a Canadian-American singer, songwriter, actress, dancer and model. She was the lead singer of the female trio Vanity 6 between 1981 until it disbanded in 1983. The group was well known for their 1982 hit song "Nasty Girl".
Vanity also had a successful acting career, starring in movies, including Action Jackson and The Last Dragon.
In 1994, Vanity converted to Christianity.
Vanity was born in Niagara Falls, Ontario. She died of complications from peritoneal dialysis in a Fremont, California hospital. She was 57.