The former Camp Nou duo and Gerard Pique\'s current girlfriend are all hoping that the Catalans will prevail at the Santiago Bernabeu on Saturday evening.Ronaldinho and Rafael Marquez have joined Shakira in voicing their support for Barcelona ahead of this weekend’s eagerly awaited La Liga Clasico with Real Madrid.The Brazilian attacker and Mexican defender both previously played for the Catalan giants, while popstar Shakira is the girlfriend of current Camp Nou centre-back Gerard Pique.Ronaldinho left the club in 2008 after five hugely-successful seasons, and although he is now plying his trade with Flamengo, he revealed in El Mundo Deportivo that he will be keeping a close eye on proceedings at the Santiago Bernabeu.\"I wish you all the luck in the Clasico, Barca, and I hope you win,” the 31-year-old forward said.“What the result will be, I do not know. I just want [Barca] to win. I will be encouraging them from a distance. Come on Barca!”The fixture has also evoked happy memories for Ronaldinho, who memorably received a standing ovation from the Madrid fans in November 2005 after inspiring Barcelona to a 3-0 win at the Santiago Bernabeu.\"I remember that game very well,” he said. “It was a unique match. I was lucky enough to score two goals and to have the rival fans clapping. I\'ll never forget [it].”Like Ronaldinho, Marquez will also be watching the game from afar as he is now lining up for the New York Red Bulls in the USA.\"I\'m Barcelona 100 per cent,” the Mexican defender, who enjoyed seven years at Camp Nou, is quoted as saying by Sport. “It\'s a very tight Clasico and anything could happen.”Shakira, meanwhile, is currently in her native Colombia, but she too will be glued to a television screen on Saturday. \"Of course, because I am now officially considered a cule [Barca fan],” the singer joked in quotes published by Marca.However, she refused to make any bold predictions, adding that both sides are \'incredible\' and that it “will surely be a great football show”.