Zara Sparkly Dress , Zara Navy Deep Blue Dress Did you know? The Marine Corps' Dress Blues is the only uniform in the U.S. military designated to include the red, white, and blue colors of the American flag. This distinctive uniform Zara Open Back Dress Blue Navy Crepe High Neck Long Sleeves Midi Colum The Thriftanista Closet Zara Tindall looked chic in a polka dot navy dress and nude heels as she attends Easter Church service in Windsor, which reminds us ofDuchess Kate's blue polka dot Alessandra Rich dress.