Which musician or musical group became popular after appearing on a talent reality show, Vanessa Petruo or Clap Your Hands Say Yeah?
Vanessa Petruo: Vanessa Anneliese Petruo (born 23 October 1979), also known as Vany, is a German singer–songwriter and actress. Vanessa Petruo:  She came to international prominence as a member of the all–female pop band No Angels, that was created during the talents show "Popstars".
i don't know