Popsugar Beauty Brown Hair Leighton Meester's Brown Hair on Gossip Girl A Look Back at Newly Blonde Leighton Meester's Blair Waldorf Hair (and Headbands) 4 April 2018 by Alaina Demopoulos View On One Page Photo 9 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 We'll always have pompoms: Leighton's bone-straight hair perfectly compliments her voluminous cap. Previous Next Start Slideshow Brown HairBeauty TrendsBeauty NewsBrunette HairCelebrity HairGossip GirlLeighton Meester