This is why you should ALWAYS check a selfie before posting it: Hilarious photo fails revealing messy rooms, nudity and toys you don't want the world to see sweep the web

Most people don't think twice before snapping a selfie - but maybe they should. 


These hilarious fails shared online show what happens when you don't check out your surroundings before striking a pose. From accidentally revealing that you're sitting on the loo (top centre), or capturing animal droppings in the background (bottom right) to showing off your unbelievably messy room (top right) - here's FEMAIL's guide to how not to snap a picture with your own phone.