Denise Katrina Matthews (January 4, 1959 – February 15, 2016), known professionally as Vanity, was a Canadian singer, songwriter, dancer, model, and actress who turned away from her music and acting career to concentrate on evangelism. Her career lasted from the early 1980s until the early 1990s. She was the lead singer of the female trio Vanity 6 from 1981 until it disbanded in 1983. They are known for their 1982 pop hit "Nasty Girl".
Vanity's music career also included two solo albums on the Motown Records label, Wild Animal and Skin on Skin, as well as the minor hit singles "Pretty Mess", "Mechanical Emotion", "Undress" (from the movie Action Jackson), "Animals", and "Under the Influence". She also had a successful film career, starring in the movies The Last Dragon, 52 Pick-Up, and Action Jackson. Throughout the 1980s and early 1990s, Vanity appeared in many magazines around the world. She died on February 15, 2016, at the age of 57, due to kidney failure.