Christine Lagarde is a French powerhouse with an American sensibility. A former head of the global law firm Baker & McKenzie in Chicago, she is now the Finance minister of France—the first woman to ...

Christine Lagarde, head of the IMF, ... a rock star, and a style icon (before your next job interview, ... If you have gray hair, so be it.

Style-watchers have been impressed by her inclusion in Vanity Fair's 2011 Best Dressed List and her effortlessly chic appearance in American Vogue the same year.