|Tweet Juliano Belletti!
|Send your questions to Chelsea cult hero Juliano Belletti via @Heineken using #sharethesofa on Tuesday evening|
The Blues are hoping to win their third European trophy in as many years, yet Diego Simeone's dark horses will fancy their chances at home.
As the action unfolds at the Vicente Calderon, Belletti will be tweeting for @Heineken in conjunction with Goal and you can send your questions to the Brazilian - also a former player of Barcelona.
To get involved, send your tweets to @Heineken and use the #ShareTheSofa hashtag to interact with the man who scored in Barca's 2006 Uefa Champions League final win versus Arsenal.
Coverage starts at 19:30BST on Tuesday 22 April and will run until the final whistle.