Calling all denim lovers: We know you’re living in jeans this fall, so why not show off your personal styling skills — and score a major prize, too? Take to Instagram modeling your chicest denim look, snap a photo, and tag it #ShowUsYourBlues for a chance to win a $500 Gilt gift card. And don’t forget to enter now, before the contest ends on October 6, 2013 at 11:59 PM EDT (see official rules). The best-dressed winner will be chosen by our very own editorial director, Tracey Lomrantz Lester, on Monday October 7. Stay tuned!