Reese Witherspoon. Kevin Mazur/Getty Images Reese Witherspoon turned heads at the 2024 Emmy Awards in a regal black-and-gold gown. Witherspoon, 48, dazzled in a black, strapless tulle dress with gold floral embellishments running down the front. She topped off the look with a diamond statement necklace and carried a black clutch. The actress pulled her…