Demetrios Platinum Collection. November 15 - 17. Save 15% on all trunk show gowns. Appointments are recommended, but walk-ins are welcome. (Promotion cannot be combined with any other offer; prior purchases and quick-delivery gowns are excluded.) Macy's Bridal Salon by Demetrios is located in Tysons Galleria. To schedule your appointment, call 703.902.4330.