Portugal in Melodifestivalen 3

Portugal took part in the third edition of Melodifestivalen which was hosted by Denmark in Copenhagen with the song “Domino”, composed by David Carreira, Djalil Haddad, Mohand Sahridj, Sofiane El Hatimi, Tarik Guermah. The song was performed by David Carreira.

Semi-final
The semi-final took place on 11 August 2021. Five entries competed in this round. "Lie You Love It" performed by Neev and "Domino" performed by David Carreira qualified for the final.

Final
The final took place on 15 August 2021. Two entries qualified to the final and the winner, "Domino" performed by David Carreira, was selected exclusively through a jury voting. In addition to the performances of the competing entries, Portuguese Melodifestivalen entrant Mickael Carreira and Lexa performed "Diz Que Não".