When fashion models take a tumble on the runway. Models decked out in the latest fashion, hair designs and make-up trends from couture designers like Karl Lagerfeld, Prada and Versace invade the ramp. However, with heels, slippery surfaces and long dresses; the runway sometimes turns a dangerous platform for models. Falling over a catwalk is every model’s worst nightmare. Yet, almost every season, such slips occur on the ramp, giving ample opportunity for photographers to capture them on their camera. Here is photo collection of 20 fashion models fall on the runway.