Carlos Leon on Madonna Rumors: 'That's a Lie'

Carlos Leon, Madonna's ex and father of her daughter Lourdes, is speaking out for the first time since the rumors hit that the Material Girl was involved with married Yankee Alex "A-Rod" Rodriguez -- reports both parties have denied.

"Trust me, that's a lie," he tells People magazine. "I know for a fact, she wouldn't do that."

Meanwhile, he says that their daughter Lourdes, 11, has remained her grounded self during these past weeks of salacious headlines.

• All New: Mary Hart Blogs From HIMYM Set Aug 21
• Gayle King's Big Obama Get! Aug 21
• HTV: Eva, Lindsay & Nick Hit the Town Aug 21
• Just In: 'Housewives' and More Emmy Presenters Aug 21

• X17 Online Sheryl Gets Our Vote Of Approval! Aug 21
• Defamer 7 MTV-Defining Stars Who Wouldn't Be Allowed on MTV Anymore [Devolution] Aug 21
• PerezHilton Madonna & Guy In The Clear! Aug 21
• Entertainment Tonight Madonna Sticky and Sweet Tour Secrets! Aug 21
• ICYDK Jennifer Garner 'shocked' by death of makeup artist Aug 21
• Entertainment Tonight Guy Ritchie Breaks Silence About Marriage with Madonna Aug 21
• People Madonna Reveals Tour Secrets Aug 21
• PerezHilton Madonna, By The Numbers Aug 20