Fails of the Week: Rihanna, Mitt Romney, The Human Barbie And More

Not everyone can be like Charlie Sheen when he was on that tiger blood. From a political pumper to an Instagram double-take, here are the week's epic fails.
Mitt Romney
You could say losing a presidential election is a major blow but pumping your own gas while looking "washed up" (the photographer's words, not ours) brings defeat to a whole new low.