The Spanish side headed into tonight's game 2-0 behind, but goals from David Villa, Jordi Alba and a brace from Lionel Messi ensured that they progressed to the last eight of the competition, winning 4-2 on aggregate.
Speaking after the match, the Spanish defender said: "We believed from the first minute. We played a great game. To score early it helped a lot and the atmosphere was amazing.
"[The supporters] knew we needed them and it was a great connection with the players and the fans. We were better from the start and we got what we needed."
The draw for the next round of the Champions League takes place on Friday morning.