You don't need us to tell you that applying makeup is a skill. And those skills are under the microscope when celebrities step out on the red carpet. Every errant brush stroke — no matter how tiny — will be visible. Same goes with too-light concealer, the wrong foundation, or a crazy powder situation. When celebrity makeup disasters happen, they are going to get called out. Here are the 15 most epic celebrity makeup fails. Let us hope that no one suffers any mishaps as bad on future red carpets.