Popsugar Fashion Award Season Beanie Feldstein's Prom Dress at the SAG Awards 2018 Lady Bird Star Beanie Feldstein Wore Her Prom Dress to the SAG Awards, Is an Icon 22 January 2018 by Shonitria Anthony View On One Page Photo 1 of 2 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Previous Next Start Slideshow Award SeasonBeanie FeldsteinLady BirdSAG AwardsCelebrity Red CarpetRed Carpet