Even the stars take a tumble every once in a while! See pictures of celebrities -- including Kim Kardashian, Jessica Simpson, and Michael B. Jordan -- who've completely wiped out while the cameras have been rolling.
Nicole "Snooki" Polizzi
Meatball down! The Jersey Shore alum -- while still pregnant with son Lorenzo -- fell to her knees near the Seaside Heights boardwalk while filming the MTV series on June 21, 2012. The fist pumping reality star was wearing leopard print platform sandals at the time.
Credit: Nick Spaloss, PacificCoastNews.com