So, #backswag. What is it? Well, we're talking party-at-the-back slogan T-shirts, bombers and biker jackets with go-large logos (or your own name) worn loud and proud across your back. Starting with mega-babes Georgia May Jagger, Joan Smalls and Karlie Kloss sweeping down the Rag & Bone AW14 catwalk in custom baseball jackets emblazoned with their names, when a certain pair of newlyweds got on board with the trend at their wedding reception last month #backswag's place in your fashion lexicon was cemented. Boom! This is who's been doing it already: