You can tweet your way to a $500 GAP gift card. For your chance to win, just stop by a GAP styld.by event today, Sept. 5, and tweet a photo of yourself rocking your favorite fall denim look with the hashtag #styldby. Our very own FADER style editors will pick the winning look. Who knew getting Back to Blue could get you paid? For event locations and info visit GAP.com/styldbyevents.