Model shows off her own fall collection with tumble on the runway at Christian Siriano

By TAMARA ABRAHAM Going, going, gone: A model trips and falls on the runway at the Christian Siriano show at New York Fashion Week yesterday. The shoes were from a range the designer had created for budget store PaylessWith the likes of Alexa Chung, Mena Suvari and Petra Nemcova in the front row, the pressure was on for the models at Christian Siriano's show at New York Fashion Week last night....