In what is perhaps Biden's most impactful messageing throughout the course of the 2020 election, her Gabriela Hearst dress made a statement at the first presidential debate in September. The label is known for its sustainable practices — the dress just so happens to be green, which makes Jill's point quite literal — and Jill recycled it in her own wardrobe, too, having worn it back in 2017 for a different event. Hearst applauded Dr. Biden for her eco-friendly clothing decision on Instagram following the debate. Now that Hearst has been named new creative director of Chloé, we may see Jill showcase her bohemian side in pieces from that brand, too. Here, she wore Valentino Rockstud heels, a designer It item recognisable to many, which speak to her knowledge of fashion history.