Their relationship didn’t go the distance.
But Carlos Leon has said he will be "forever grateful" to Madonna for giving him the love of his life, daughter Lourdes.
In a new interview, actor Carlos has said of his romance with the Material Girl – which lasted from 1994 until 1997 – "I have no regrets. I wouldn’t change anything.
"I got the best thing out of that relationship, and that is my daughter. My daughter is everything to me."
The 44-year-old also opened to People magazine about bringing up the 14-year-old.
He admitted that he is a "lenient" and "overprotective" dad, already dreading the time when Lourdes starts dating.
"I'll be ready to have a talk with the guy she brings through the door," he said. "He better be ready because I'll give him the rundown!"
In their free time, Carlos says he and Lourdes - who likes to give her dad fashion advice - often go on bike rides around New York or hang out at home watching films.
Lourdes' favourites, according to her proud papa, include Harry Potter and Twilight.
"She's Team Edward all the way," he revealed, referring to Robert Pattinson's character.
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