9. Celebrity chef, Robert Irvine: You might have seen celebrity chef, Robert Irvine in your television screen on variety of Food Network programs. But have you ever wondered that what kind of a mistake Robert has committed for which he even had to face termination from his job? Yes, British chef Robert Irving was fired from his own cookery show “Dinner Impossible” telecasted on the Food Network in 2008, when it was discovered that he actually did not design the royal couple's wedding cake that he mentioned to his employers. But had only attended the school where it was made and his overall contribution was just picking up fruits for the cake.