It's hard out there for a pop star nowadays. Can you imagine being on stage in front of 10,000 people, singing and dancing your heart out, and trying to give good FACE at the same time? For the average person, that would be impossible. I can barely manage to look normal in my What Are We Wearing Today? photos. For the most part, pop stars like Beyonce, Jennifer Lopez and Miley Cyrus pull this off with epic fierceness, but occasionally -- occasionally! -- the camera catches them at the most amazingly unflattering moment. Here are 13 reminders that they're only human...