Popsugar Beauty Hair Reese Witherspoon's Natural Hair Colour Reese Witherspoon Might Be "Legally" Blonde, But That's Not Her Natural Hair Colour 2 September 2019 by Sarah Siegel View On One Page Photo 10 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Reese Witherspoon With Light Brown Hair In 2018, Witherspoon was spotted with brown hair containing blonde highlights. Previous Next Start Slideshow HairCelebrity BeautyHair ColourCelebrity HairReese Witherspoon