Ronaldo always on target against Celta: 12 goals in 6 games
The Portuguese star will be looking to add to his spectacular tally in Balaídos on Sunday.
The first leg will be played on 5 May in Turin and the second leg will take place on 13 of the same month at the Santiago Bernabéu.
He has made 110 appearances and scored 6 goals in his four seasons at Real Madrid.
The teams have met 16 times in the European Cup, with 8 Madrid wins.
The Whites will play Fenerbahçe in the semi-finals on 15 May.