Lionel Messi's masterclass in Wednesday's Champions League victory over Bayern Munich put Barcelona in the driving seat as they bid to win a first European Cup since 2011.
The Argentinian was at his brilliant best in the late stages, scoring two supreme goals as Barca broke the Bayern resistance in the 77th minute and threatened to run riot.
After Messi's brace, Neymar was sent through on goal by the Argentinian and sealed a 3-0 win at the Nou Camp.
It was a disappointing evening for Bayern coach Pep Guardiola on his return to his former club.
Barcelona v Bayern Munich: Player ratings
He had warned before the game that it was impossible to stop his former prodigy Messi and it proved the case as the Argentine orchestrated Barcelona's emphatic victory that gives them a clear advantage heading into next week's second leg.
Bayern Munich pressed high in the early stages, but Luis Suarez broke with intent and missed a presentable chance with Bayern short at the back.
Manuel Neuer kept Lionel Messi, Dani Alves, Luis Suarez and Neymar out before Bayern Munich's late collapse.
But the Germany international was eventually beaten at his near post as Messi sparked a late charge from Barca.
Moments later the Argentine doubled Barca's lead in typical fashion with an exquisite chip. Pep Guardiola's side threatened to cave in.
Masterful Messi's wonderful brace sparked wild scenes...
... at both ends of the field.
Xabi Alonso looks set to miss the final again after suspension ruled him out of Real Madrid's win over Atleti last year.
And Pep Guardiola looked despondent on his return to the Nou Camp.
