Jackie Kennedy Onassis was an important first lady who worked to beautify and preserve the White House. She represented the US globally and supported causes to help children and mothers. Her elegant style and iconic fashion sense still inspire people today. While criticized for her expensive tastes, she helped pair American designers like Oleg Cassini with the Kennedy campaign to promote US fashion. Overall, she epitomized grace and style as first lady and continues to be one of the most beloved figures in American history.