"Red is the great clarifier—bright, cleansing, revealing. It makes all colors beautiful." So said Diana Vreeland, whose legendary stints at Vogue, Harper's Bazaar, and the Metropolitan Museum of Art's Costume Institute are chronicled in the new biography Empress of Fashion: A Life of Diana Vreeland, by Amanda Mackenzie Stuart (HarperCollins). Inspired by her signature hue, we got to thinking: What would a Vreeland wedding look like? From a '60s-inspired gown to artsy Christmas crackers and candy stripes, our celebration is classic with a twist—just like the diva herself.