"Shakira and I are just friends, there's nothing more" he said this week.
Shakira met Antonio in Buenos Aires in 2000 when he was working on his father's election campaign and she was promoting an album.
Though he held no formal position in his father's government, he was the chief architect of his father's election campaign; his success led his father to continue to turn to him for political advice after his ascension to the presidency.
He was pointed to as the leader of the "Sushi set" (El grupo sushi), a group of young officials so-called due to their alleged preference for expensive Japanese cuisine; they were sometimes criticised for their influence on politics.
"Our friendship and understanding of one another is unwavering and indestructible." Towards the end of last year there were rumours Shakira was seeing Barcelona FC player Gerard Pique, but she denied them. That's a waka-rumour," she said – referring to her World Cup song .
The footballer himself has also put paid to the stories.
"We move forward as partners, developing projects together, working hand in hand and in close communication.
de la Rúa's claims that he was entitled to any participation in Shakira's past, current or future business, brand or assets, including future income.'While there is no love lost between the former lovers, Shakira has since moved on and is now in a relationship with soccer player Gerard Pique.
The pair had their first child, Milan Pique Mebarak, in January.
He had a key role in negotiating her Live Aid contract – a ten-year deal worth between and 0 million.
Shakira has said in numerous interviews that the pair were ready to settle down and start a family.