The series introduced the girl group Nonstop sometimes stylized as NonStop . The group proved to be very successful especially with Portuguese youth with their hot singles " Ao Limite Eu Vou " and " Tudo Vai Mudar " . The first went on to become the best played single for the year . In 2006 , NonStop represented Portugal in the Eurovision Song Contest with " Coisas de Nada "
Eurovision Song Contest
Eurovision Song Contest 2006
Popstars (Portuguese TV series)