Flash mobs are de rigeur for fashion shows these days. Remember Moncler's infamous takeover of Grand Central Station during New York's Fall '11 Fashion Week shows? Or Stella McCartney's Fall '12 presentation in London earlier this year? Yesterday French rubber boot brand Aigle got in on the action too, staging a flash mob to celebrate the opening of its new shop on the Champs-Elysee in Paris. Click here to check it out.