The final , hosted by Jorge Gabriel and Sónia Araújo , took place on 5 October 2017 in RTP 's studios . 5 competing entries participated in a televised production named '' Juniores de Portugal '' where the winner was determined by a 50/50 combination of both public vote and the votes of a jury invited by the production . The winner will represent Portugal at the Junior Eurovision Song Contest 2017 on 26 November . The Song was revealed on 29 September 2017 , Filipa Ferreira and Mariana Venâncio was tied at 9 points each but since Mariana Venâncio received the most votes from the televoting she was declared the winner
Junior Eurovision Song Contest 2017
Junior Eurovision Song Contest 2017
Portugal in the Junior Eurovision Song Contest 2017