VIDEO: The 'Harlem Shake' Backstage at Topshop Unique AW13

As the group of gorgeous Topshop models lined up ready to step out onto the catwalk at Topshop Unique AW13, the beautiful Jourdan Dunn broke into the "Harlem Shake" which got Cara Delevingne and Rosie Tapner dancing like crazy girls too!

Who knew it could be done with so much style!