"Michelle Obama never said such a thing. I am happy to tell you very frankly that this is not an authorized book," Bruni said.
"I never read the book, I never knew about the book. But I do live in France, and France is a free country where anyone can, you know, fantasize and print it," she added.
"So of course I could do something legal, but first of all it gives a lot of publicity to all those books, and second of all it is not in my principles. I am a democrat. I believe that everyone is allowed to say and write, and say what they want.
"But I am happy to disassociate myself not only from that book from all books, and of course Michelle Obama never said such a thing," she clarified.