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U.S. first lady Michelle Obama speaks at an event recognizing Major League Baseball's (MLB) outstanding support of America's veterans and military families as part of their Joining Forces initiative in St. Louis October 19, 2011.

(REUTERS/Sarah Conard)

First Lady Michelle Obama

As the First Lady of the United States, Michelle Obama has become an advocate for healthy eating, veterans and military families, poverty awareness and women's rights. She has also become a fashion icon and has been named by Forbes Magazine as the eighth most powerful woman in the world.