[qt:http://xxxxmagazine.tv/videos/mov/fashionweek/londonss2011/LFW_SS11_ann_sofie_finalv3-ipad.mov 640 360] ANN-SOFIE BACK COLLECTION VIDEO Showcasing her spring/summer 2011 collection in a salon show, designer Ann-Sofie Back's theme was "porn and the sexualization of society". Rather than being sleazy, the collection was sophisticated with the use of black and white. Models walked through a neon light frame structure wearing simple looks with a…