Carlos Leon is not happy his 10-year-old daughter with pop star Madonna has lost her American way of speaking and has acquired a British accent.

The couple's daughter Lourdes was featured in her mother's concert film last year and sounded like a normal American child.

But a source tells the New York Daily News at the recent UK premiere of Madonna's film Arthur And The Invisibles the 10-year-old had "a full-on British accent."

Madonna's spokeswoman, Liz Rosenberg, insists the reports are exaggerated saying, "It wouldn't be surprising if Madonna's daughter has some sort of English accent, since she lives in London most of the time. To me, she always sounds a little American and a little British. All this seems perfectly normal to me. What I can tell you, she's a natural beauty - no surprise there. She's frankly a very unspoiled and lovely child, and for that I give credit to Madonna, (stepfather) Guy (Ritchie) and Carlos."

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(This news article provided by World Entertainment News Network)