4. Michelle Obama

First_Lady_Michelle_Obama_thanks_U.S._Department_of_Agriculture_(USDA)_employees_for_their_service_and_dedication_at_the_Jefferson_Auditorium,_USDA_on_Friday,_May_3,_2013_(Pic_3)
Courtesy: wikimedia.org

Michelle Obama may be the first lady and that can be the reason why she is so popular but she is not just about the title. She fights for important causes such as childhood obesity and she promotes healthier eating and lifestyles.