Babies are unpredictable beings at the best of times, but stick a camera in front of one and you're asking for trouble - especially if , like the parents pictured below, you decided to go for a nappy free shoot.
No prizes for guessing why the woman holding the baby is grimacing, but if you haven't yet worked it out and you're of a squeamish disposition you may want to stop here...
All together now... ewwww!
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horrors gems from Awkward Family Photos: